Home / 129,294.67-193,962.66-45,079.06

Finding the Fourth Proportional to 129,294.67, 193,962.66 and 45,079.06

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Solution

The fourth proportional to 129,294.67, 193,962.66 and 45,079.06 is: 67,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,294.67 : 193,962.66 = 45,079.06 : x
  2. Step 2: Convert to fraction form
    129,294.67/193,962.66 = 45,079.06/x
  3. Step 3: Cross multiply
    129,294.67x = 193,962.66 × 45,079.06
  4. Step 4: Simplify right side
    129,294.67x = 8,743,654,387.90
  5. Step 5: Solve for x
    x = 8,743,654,387.90/129,294.67
  6. Step 6: Final answer
    x = 67,625.79

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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.