Home / 129,192.29-193,789.97-34,422

Finding the Fourth Proportional to 129,192.29, 193,789.97 and 34,422

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Solution

The fourth proportional to 129,192.29, 193,789.97 and 34,422 is: 51,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,192.29 : 193,789.97 = 34,422 : x
  2. Step 2: Convert to fraction form
    129,192.29/193,789.97 = 34,422/x
  3. Step 3: Cross multiply
    129,192.29x = 193,789.97 × 34,422
  4. Step 4: Simplify right side
    129,192.29x = 6,670,638,175.23
  5. Step 5: Solve for x
    x = 6,670,638,175.23/129,192.29
  6. Step 6: Final answer
    x = 51,633.41

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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.