Home / 129,525.38-194,279.15-79,613.18

Finding the Fourth Proportional to 129,525.38, 194,279.15 and 79,613.18

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Solution

The fourth proportional to 129,525.38, 194,279.15 and 79,613.18 is: 119,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,525.38 : 194,279.15 = 79,613.18 : x
  2. Step 2: Convert to fraction form
    129,525.38/194,279.15 = 79,613.18/x
  3. Step 3: Cross multiply
    129,525.38x = 194,279.15 × 79,613.18
  4. Step 4: Simplify right side
    129,525.38x = 15,467,180,939.20
  5. Step 5: Solve for x
    x = 15,467,180,939.20/129,525.38
  6. Step 6: Final answer
    x = 119,414.29

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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.