Home / 129,031.03-193,569.24-58,917.43

Finding the Fourth Proportional to 129,031.03, 193,569.24 and 58,917.43

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Solution

The fourth proportional to 129,031.03, 193,569.24 and 58,917.43 is: 88,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,031.03 : 193,569.24 = 58,917.43 : x
  2. Step 2: Convert to fraction form
    129,031.03/193,569.24 = 58,917.43/x
  3. Step 3: Cross multiply
    129,031.03x = 193,569.24 × 58,917.43
  4. Step 4: Simplify right side
    129,031.03x = 11,404,602,147.85
  5. Step 5: Solve for x
    x = 11,404,602,147.85/129,031.03
  6. Step 6: Final answer
    x = 88,386.51

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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.