Home / 129,120.17-193,691.43-35,625.91

Finding the Fourth Proportional to 129,120.17, 193,691.43 and 35,625.91

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Solution

The fourth proportional to 129,120.17, 193,691.43 and 35,625.91 is: 53,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,120.17 : 193,691.43 = 35,625.91 : x
  2. Step 2: Convert to fraction form
    129,120.17/193,691.43 = 35,625.91/x
  3. Step 3: Cross multiply
    129,120.17x = 193,691.43 × 35,625.91
  4. Step 4: Simplify right side
    129,120.17x = 6,900,433,274.82
  5. Step 5: Solve for x
    x = 6,900,433,274.82/129,120.17
  6. Step 6: Final answer
    x = 53,441.95

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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.