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Finding the Fourth Proportional to 83,697.20, 125,545.80 and 82,822.40

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Solution

The fourth proportional to 83,697.20, 125,545.80 and 82,822.40 is: 124,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,697.20 : 125,545.80 = 82,822.40 : x
  2. Step 2: Convert to fraction form
    83,697.20/125,545.80 = 82,822.40/x
  3. Step 3: Cross multiply
    83,697.20x = 125,545.80 × 82,822.40
  4. Step 4: Simplify right side
    83,697.20x = 10,398,004,465.92
  5. Step 5: Solve for x
    x = 10,398,004,465.92/83,697.20
  6. Step 6: Final answer
    x = 124,233.60

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