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Finding the Fourth Proportional to 88,001.80, 132,002.70 and 72,449.80

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Solution

The fourth proportional to 88,001.80, 132,002.70 and 72,449.80 is: 108,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.80 : 132,002.70 = 72,449.80 : x
  2. Step 2: Convert to fraction form
    88,001.80/132,002.70 = 72,449.80/x
  3. Step 3: Cross multiply
    88,001.80x = 132,002.70 × 72,449.80
  4. Step 4: Simplify right side
    88,001.80x = 9,563,569,214.46
  5. Step 5: Solve for x
    x = 9,563,569,214.46/88,001.80
  6. Step 6: Final answer
    x = 108,674.70

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