Home / 129,524.38-194,277.65-79,612.18

Finding the Fourth Proportional to 129,524.38, 194,277.65 and 79,612.18

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Solution

The fourth proportional to 129,524.38, 194,277.65 and 79,612.18 is: 119,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,524.38 : 194,277.65 = 79,612.18 : x
  2. Step 2: Convert to fraction form
    129,524.38/194,277.65 = 79,612.18/x
  3. Step 3: Cross multiply
    129,524.38x = 194,277.65 × 79,612.18
  4. Step 4: Simplify right side
    129,524.38x = 15,466,867,241.78
  5. Step 5: Solve for x
    x = 15,466,867,241.78/129,524.38
  6. Step 6: Final answer
    x = 119,412.79

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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.