Home / 83,035.29-123,910.20-74,174.97

Finding the Fourth Proportional to 83,035.29, 123,910.20 and 74,174.97

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Solution

The fourth proportional to 83,035.29, 123,910.20 and 74,174.97 is: 110,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035.29 : 123,910.20 = 74,174.97 : x
  2. Step 2: Convert to fraction form
    83,035.29/123,910.20 = 74,174.97/x
  3. Step 3: Cross multiply
    83,035.29x = 123,910.20 × 74,174.97
  4. Step 4: Simplify right side
    83,035.29x = 9,191,035,367.69
  5. Step 5: Solve for x
    x = 9,191,035,367.69/83,035.29
  6. Step 6: Final answer
    x = 110,688.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.