Home / 106,717.28-147,279.17-58,979.85

Finding the Fourth Proportional to 106,717.28, 147,279.17 and 58,979.85

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Solution

The fourth proportional to 106,717.28, 147,279.17 and 58,979.85 is: 81,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.28 : 147,279.17 = 58,979.85 : x
  2. Step 2: Convert to fraction form
    106,717.28/147,279.17 = 58,979.85/x
  3. Step 3: Cross multiply
    106,717.28x = 147,279.17 × 58,979.85
  4. Step 4: Simplify right side
    106,717.28x = 8,686,503,446.56
  5. Step 5: Solve for x
    x = 8,686,503,446.56/106,717.28
  6. Step 6: Final answer
    x = 81,397.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.