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Finding the Fourth Proportional to 99,551.64, 137,432.19 and 67,455.88

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Solution

The fourth proportional to 99,551.64, 137,432.19 and 67,455.88 is: 93,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551.64 : 137,432.19 = 67,455.88 : x
  2. Step 2: Convert to fraction form
    99,551.64/137,432.19 = 67,455.88/x
  3. Step 3: Cross multiply
    99,551.64x = 137,432.19 × 67,455.88
  4. Step 4: Simplify right side
    99,551.64x = 9,270,609,254.30
  5. Step 5: Solve for x
    x = 9,270,609,254.30/99,551.64
  6. Step 6: Final answer
    x = 93,123.62

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