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Finding the Fourth Proportional to 136.10, 204 and 54.92

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Solution

The fourth proportional to 136.10, 204 and 54.92 is: 82.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.10 : 204 = 54.92 : x
  2. Step 2: Convert to fraction form
    136.10/204 = 54.92/x
  3. Step 3: Cross multiply
    136.10x = 204 × 54.92
  4. Step 4: Simplify right side
    136.10x = 11,203.68
  5. Step 5: Solve for x
    x = 11,203.68/136.10
  6. Step 6: Final answer
    x = 82.32

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