Home / 129,514.52-194,275.42-36,020.28

Finding the Fourth Proportional to 129,514.52, 194,275.42 and 36,020.28

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Solution

The fourth proportional to 129,514.52, 194,275.42 and 36,020.28 is: 54,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,514.52 : 194,275.42 = 36,020.28 : x
  2. Step 2: Convert to fraction form
    129,514.52/194,275.42 = 36,020.28/x
  3. Step 3: Cross multiply
    129,514.52x = 194,275.42 × 36,020.28
  4. Step 4: Simplify right side
    129,514.52x = 6,997,855,025.52
  5. Step 5: Solve for x
    x = 6,997,855,025.52/129,514.52
  6. Step 6: Final answer
    x = 54,031.43

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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.