Home / 124,921.90-187,082.60-71,451.84

Finding the Fourth Proportional to 124,921.90, 187,082.60 and 71,451.84

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Solution

The fourth proportional to 124,921.90, 187,082.60 and 71,451.84 is: 107,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,921.90 : 187,082.60 = 71,451.84 : x
  2. Step 2: Convert to fraction form
    124,921.90/187,082.60 = 71,451.84/x
  3. Step 3: Cross multiply
    124,921.90x = 187,082.60 × 71,451.84
  4. Step 4: Simplify right side
    124,921.90x = 13,367,396,001.98
  5. Step 5: Solve for x
    x = 13,367,396,001.98/124,921.90
  6. Step 6: Final answer
    x = 107,006.03

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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.