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Finding the Fourth Proportional to 82,344.87, 123,520.95 and 40,174.92

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Solution

The fourth proportional to 82,344.87, 123,520.95 and 40,174.92 is: 60,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.87 : 123,520.95 = 40,174.92 : x
  2. Step 2: Convert to fraction form
    82,344.87/123,520.95 = 40,174.92/x
  3. Step 3: Cross multiply
    82,344.87x = 123,520.95 × 40,174.92
  4. Step 4: Simplify right side
    82,344.87x = 4,962,444,284.57
  5. Step 5: Solve for x
    x = 4,962,444,284.57/82,344.87
  6. Step 6: Final answer
    x = 60,264.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.