Home / 129,778.92-194,668.56-36,284.58

Finding the Fourth Proportional to 129,778.92, 194,668.56 and 36,284.58

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Solution

The fourth proportional to 129,778.92, 194,668.56 and 36,284.58 is: 54,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,778.92 : 194,668.56 = 36,284.58 : x
  2. Step 2: Convert to fraction form
    129,778.92/194,668.56 = 36,284.58/x
  3. Step 3: Cross multiply
    129,778.92x = 194,668.56 × 36,284.58
  4. Step 4: Simplify right side
    129,778.92x = 7,063,466,938.80
  5. Step 5: Solve for x
    x = 7,063,466,938.80/129,778.92
  6. Step 6: Final answer
    x = 54,426.92

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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.