Home / 129,672.04-194,540.86-36,177.72

Finding the Fourth Proportional to 129,672.04, 194,540.86 and 36,177.72

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Solution

The fourth proportional to 129,672.04, 194,540.86 and 36,177.72 is: 54,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,672.04 : 194,540.86 = 36,177.72 : x
  2. Step 2: Convert to fraction form
    129,672.04/194,540.86 = 36,177.72/x
  3. Step 3: Cross multiply
    129,672.04x = 194,540.86 × 36,177.72
  4. Step 4: Simplify right side
    129,672.04x = 7,038,044,761.64
  5. Step 5: Solve for x
    x = 7,038,044,761.64/129,672.04
  6. Step 6: Final answer
    x = 54,275.73

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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.