Home / 129,145.32-193,717.69-34,375.52

Finding the Fourth Proportional to 129,145.32, 193,717.69 and 34,375.52

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Solution

The fourth proportional to 129,145.32, 193,717.69 and 34,375.52 is: 51,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,145.32 : 193,717.69 = 34,375.52 : x
  2. Step 2: Convert to fraction form
    129,145.32/193,717.69 = 34,375.52/x
  3. Step 3: Cross multiply
    129,145.32x = 193,717.69 × 34,375.52
  4. Step 4: Simplify right side
    129,145.32x = 6,659,146,326.95
  5. Step 5: Solve for x
    x = 6,659,146,326.95/129,145.32
  6. Step 6: Final answer
    x = 51,563.20

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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.