Home / 123,508.62-170,446.68-75,096.66

Finding the Fourth Proportional to 123,508.62, 170,446.68 and 75,096.66

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Solution

The fourth proportional to 123,508.62, 170,446.68 and 75,096.66 is: 103,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,508.62 : 170,446.68 = 75,096.66 : x
  2. Step 2: Convert to fraction form
    123,508.62/170,446.68 = 75,096.66/x
  3. Step 3: Cross multiply
    123,508.62x = 170,446.68 × 75,096.66
  4. Step 4: Simplify right side
    123,508.62x = 12,799,976,376.09
  5. Step 5: Solve for x
    x = 12,799,976,376.09/123,508.62
  6. Step 6: Final answer
    x = 103,636.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.