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Finding the Fourth Proportional to 96, 132.37 and 77.55

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Solution

The fourth proportional to 96, 132.37 and 77.55 is: 106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96 : 132.37 = 77.55 : x
  2. Step 2: Convert to fraction form
    96/132.37 = 77.55/x
  3. Step 3: Cross multiply
    96x = 132.37 × 77.55
  4. Step 4: Simplify right side
    96x = 10,265.29
  5. Step 5: Solve for x
    x = 10,265.29/96
  6. Step 6: Final answer
    x = 106.93

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