I have a 256GB Macbook Pro but only shows 142gb of storage I have a 256GB Mac book pro but it only shows that I have 142GB of storage. on a macbook pro 2017 13 inch w/touchbar and my OS X is 10.14

Diskutil List shows the following:

/dev/disk0 (internal):
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:      GUID_partition_scheme                         251.0 GB   disk0
1:                        EFI EFI                     314.6 MB   disk0s1
2:                 Apple_APFS Container disk1         142.0 GB   disk0s2

/dev/disk1 (synthesized):
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:      APFS Container Scheme -                      +142.0 GB   disk1
                             Physical Store disk0s2
1:                APFS Volume Macintosh HD            70.7 GB    disk1s1
2:                APFS Volume Preboot                 47.0 MB    disk1s2
3:                APFS Volume Recovery                512.4 MB   disk1s3
4:                APFS Volume VM                      1.1 GB     disk1s4


Any help?
For some reason the remaining space is not partitioned.

Get a good backup since an erase and reinstall should fix things.

Before you erase, boot to recovery HD and try to repair the Macintosh HD and also repair the drive itself.