Home / 124,918.57-187,376.19-30,147.97

Finding the Fourth Proportional to 124,918.57, 187,376.19 and 30,147.97

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Solution

The fourth proportional to 124,918.57, 187,376.19 and 30,147.97 is: 45,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.57 : 187,376.19 = 30,147.97 : x
  2. Step 2: Convert to fraction form
    124,918.57/187,376.19 = 30,147.97/x
  3. Step 3: Cross multiply
    124,918.57x = 187,376.19 × 30,147.97
  4. Step 4: Simplify right side
    124,918.57x = 5,649,011,754.83
  5. Step 5: Solve for x
    x = 5,649,011,754.83/124,918.57
  6. Step 6: Final answer
    x = 45,221.55

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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.