Home / 82,260.47-123,375.13-40,098.20

Finding the Fourth Proportional to 82,260.47, 123,375.13 and 40,098.20

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Solution

The fourth proportional to 82,260.47, 123,375.13 and 40,098.20 is: 60,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,260.47 : 123,375.13 = 40,098.20 : x
  2. Step 2: Convert to fraction form
    82,260.47/123,375.13 = 40,098.20/x
  3. Step 3: Cross multiply
    82,260.47x = 123,375.13 × 40,098.20
  4. Step 4: Simplify right side
    82,260.47x = 4,947,119,920.64
  5. Step 5: Solve for x
    x = 4,947,119,920.64/82,260.47
  6. Step 6: Final answer
    x = 60,139.70

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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.