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Finding the Fourth Proportional to 93.02, 139.52 and 38.14

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Solution

The fourth proportional to 93.02, 139.52 and 38.14 is: 57.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.02 : 139.52 = 38.14 : x
  2. Step 2: Convert to fraction form
    93.02/139.52 = 38.14/x
  3. Step 3: Cross multiply
    93.02x = 139.52 × 38.14
  4. Step 4: Simplify right side
    93.02x = 5,321.04
  5. Step 5: Solve for x
    x = 5,321.04/93.02
  6. Step 6: Final answer
    x = 57.21

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