Home / 148,082.20-222,123.30-138,167.80

Finding the Fourth Proportional to 148,082.20, 222,123.30 and 138,167.80

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Solution

The fourth proportional to 148,082.20, 222,123.30 and 138,167.80 is: 207,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,082.20 : 222,123.30 = 138,167.80 : x
  2. Step 2: Convert to fraction form
    148,082.20/222,123.30 = 138,167.80/x
  3. Step 3: Cross multiply
    148,082.20x = 222,123.30 × 138,167.80
  4. Step 4: Simplify right side
    148,082.20x = 30,690,287,689.74
  5. Step 5: Solve for x
    x = 30,690,287,689.74/148,082.20
  6. Step 6: Final answer
    x = 207,251.70

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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.