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Finding the Fourth Proportional to 99,385.68, 137,148.27 and 54,063.72

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Solution

The fourth proportional to 99,385.68, 137,148.27 and 54,063.72 is: 74,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.68 : 137,148.27 = 54,063.72 : x
  2. Step 2: Convert to fraction form
    99,385.68/137,148.27 = 54,063.72/x
  3. Step 3: Cross multiply
    99,385.68x = 137,148.27 × 54,063.72
  4. Step 4: Simplify right side
    99,385.68x = 7,414,745,667.76
  5. Step 5: Solve for x
    x = 7,414,745,667.76/99,385.68
  6. Step 6: Final answer
    x = 74,605.77

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