Home / 129,365.26-194,080.17-45,126.62

Finding the Fourth Proportional to 129,365.26, 194,080.17 and 45,126.62

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Solution

The fourth proportional to 129,365.26, 194,080.17 and 45,126.62 is: 67,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,365.26 : 194,080.17 = 45,126.62 : x
  2. Step 2: Convert to fraction form
    129,365.26/194,080.17 = 45,126.62/x
  3. Step 3: Cross multiply
    129,365.26x = 194,080.17 × 45,126.62
  4. Step 4: Simplify right side
    129,365.26x = 8,758,182,081.13
  5. Step 5: Solve for x
    x = 8,758,182,081.13/129,365.26
  6. Step 6: Final answer
    x = 67,701.19

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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.