Home / 154,371.30-231,470.55-65,609.70

Finding the Fourth Proportional to 154,371.30, 231,470.55 and 65,609.70

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Solution

The fourth proportional to 154,371.30, 231,470.55 and 65,609.70 is: 98,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,371.30 : 231,470.55 = 65,609.70 : x
  2. Step 2: Convert to fraction form
    154,371.30/231,470.55 = 65,609.70/x
  3. Step 3: Cross multiply
    154,371.30x = 231,470.55 × 65,609.70
  4. Step 4: Simplify right side
    154,371.30x = 15,186,713,344.34
  5. Step 5: Solve for x
    x = 15,186,713,344.34/154,371.30
  6. Step 6: Final answer
    x = 98,377.83

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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.