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Finding the Fourth Proportional to 91,825.20, 137,737.80 and 60,332.40

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Solution

The fourth proportional to 91,825.20, 137,737.80 and 60,332.40 is: 90,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,825.20 : 137,737.80 = 60,332.40 : x
  2. Step 2: Convert to fraction form
    91,825.20/137,737.80 = 60,332.40/x
  3. Step 3: Cross multiply
    91,825.20x = 137,737.80 × 60,332.40
  4. Step 4: Simplify right side
    91,825.20x = 8,310,052,044.72
  5. Step 5: Solve for x
    x = 8,310,052,044.72/91,825.20
  6. Step 6: Final answer
    x = 90,498.60

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