Home / 129,853.10-194,755.05-45,593.46

Finding the Fourth Proportional to 129,853.10, 194,755.05 and 45,593.46

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Solution

The fourth proportional to 129,853.10, 194,755.05 and 45,593.46 is: 68,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.10 : 194,755.05 = 45,593.46 : x
  2. Step 2: Convert to fraction form
    129,853.10/194,755.05 = 45,593.46/x
  3. Step 3: Cross multiply
    129,853.10x = 194,755.05 × 45,593.46
  4. Step 4: Simplify right side
    129,853.10x = 8,879,556,581.97
  5. Step 5: Solve for x
    x = 8,879,556,581.97/129,853.10
  6. Step 6: Final answer
    x = 68,381.55

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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.