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Finding the Fourth Proportional to 91,711.70, 137,567.55 and 91,711.70

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Solution

The fourth proportional to 91,711.70, 137,567.55 and 91,711.70 is: 137,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,711.70 : 137,567.55 = 91,711.70 : x
  2. Step 2: Convert to fraction form
    91,711.70/137,567.55 = 91,711.70/x
  3. Step 3: Cross multiply
    91,711.70x = 137,567.55 × 91,711.70
  4. Step 4: Simplify right side
    91,711.70x = 12,616,553,875.34
  5. Step 5: Solve for x
    x = 12,616,553,875.34/91,711.70
  6. Step 6: Final answer
    x = 137,567.55

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