Home / 124,375.90-186,600.31-40,149.06

Finding the Fourth Proportional to 124,375.90, 186,600.31 and 40,149.06

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Solution

The fourth proportional to 124,375.90, 186,600.31 and 40,149.06 is: 60,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.90 : 186,600.31 = 40,149.06 : x
  2. Step 2: Convert to fraction form
    124,375.90/186,600.31 = 40,149.06/x
  3. Step 3: Cross multiply
    124,375.90x = 186,600.31 × 40,149.06
  4. Step 4: Simplify right side
    124,375.90x = 7,491,827,042.21
  5. Step 5: Solve for x
    x = 7,491,827,042.21/124,375.90
  6. Step 6: Final answer
    x = 60,235.36

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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.