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Finding the Fourth Proportional to 101,732.09, 140,391.95 and 56,411.96

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Solution

The fourth proportional to 101,732.09, 140,391.95 and 56,411.96 is: 77,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,732.09 : 140,391.95 = 56,411.96 : x
  2. Step 2: Convert to fraction form
    101,732.09/140,391.95 = 56,411.96/x
  3. Step 3: Cross multiply
    101,732.09x = 140,391.95 × 56,411.96
  4. Step 4: Simplify right side
    101,732.09x = 7,919,784,083.70
  5. Step 5: Solve for x
    x = 7,919,784,083.70/101,732.09
  6. Step 6: Final answer
    x = 77,849.42

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