Home / 129,422.66-194,190.52-45,243.26

Finding the Fourth Proportional to 129,422.66, 194,190.52 and 45,243.26

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Solution

The fourth proportional to 129,422.66, 194,190.52 and 45,243.26 is: 67,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,422.66 : 194,190.52 = 45,243.26 : x
  2. Step 2: Convert to fraction form
    129,422.66/194,190.52 = 45,243.26/x
  3. Step 3: Cross multiply
    129,422.66x = 194,190.52 × 45,243.26
  4. Step 4: Simplify right side
    129,422.66x = 8,785,812,185.90
  5. Step 5: Solve for x
    x = 8,785,812,185.90/129,422.66
  6. Step 6: Final answer
    x = 67,884.65

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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.