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Finding the Fourth Proportional to 90,161.48, 124,447.92 and 52,443.02

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Solution

The fourth proportional to 90,161.48, 124,447.92 and 52,443.02 is: 72,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,161.48 : 124,447.92 = 52,443.02 : x
  2. Step 2: Convert to fraction form
    90,161.48/124,447.92 = 52,443.02/x
  3. Step 3: Cross multiply
    90,161.48x = 124,447.92 × 52,443.02
  4. Step 4: Simplify right side
    90,161.48x = 6,526,424,757.52
  5. Step 5: Solve for x
    x = 6,526,424,757.52/90,161.48
  6. Step 6: Final answer
    x = 72,385.95

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