Home / 129,376.36-194,003.14-45,126.29

Finding the Fourth Proportional to 129,376.36, 194,003.14 and 45,126.29

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Solution

The fourth proportional to 129,376.36, 194,003.14 and 45,126.29 is: 67,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,376.36 : 194,003.14 = 45,126.29 : x
  2. Step 2: Convert to fraction form
    129,376.36/194,003.14 = 45,126.29/x
  3. Step 3: Cross multiply
    129,376.36x = 194,003.14 × 45,126.29
  4. Step 4: Simplify right side
    129,376.36x = 8,754,641,956.55
  5. Step 5: Solve for x
    x = 8,754,641,956.55/129,376.36
  6. Step 6: Final answer
    x = 67,668.02

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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.