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Finding the Fourth Proportional to 92,221.70, 138,332.55 and 91,444.10

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Solution

The fourth proportional to 92,221.70, 138,332.55 and 91,444.10 is: 137,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,221.70 : 138,332.55 = 91,444.10 : x
  2. Step 2: Convert to fraction form
    92,221.70/138,332.55 = 91,444.10/x
  3. Step 3: Cross multiply
    92,221.70x = 138,332.55 × 91,444.10
  4. Step 4: Simplify right side
    92,221.70x = 12,649,695,535.46
  5. Step 5: Solve for x
    x = 12,649,695,535.46/92,221.70
  6. Step 6: Final answer
    x = 137,166.15

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