Home / 129,191.62-193,787.52-35,697.46

Finding the Fourth Proportional to 129,191.62, 193,787.52 and 35,697.46

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Solution

The fourth proportional to 129,191.62, 193,787.52 and 35,697.46 is: 53,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,191.62 : 193,787.52 = 35,697.46 : x
  2. Step 2: Convert to fraction form
    129,191.62/193,787.52 = 35,697.46/x
  3. Step 3: Cross multiply
    129,191.62x = 193,787.52 × 35,697.46
  4. Step 4: Simplify right side
    129,191.62x = 6,917,722,243.70
  5. Step 5: Solve for x
    x = 6,917,722,243.70/129,191.62
  6. Step 6: Final answer
    x = 53,546.21

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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.