In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[51, -21, 95, 69], [32, -78], [-144, -21], [41, -185, 94, -151, -107], [73, -5, -138]]