Home / 124,910.60-187,389-39,542.96

Finding the Fourth Proportional to 124,910.60, 187,389 and 39,542.96

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Solution

The fourth proportional to 124,910.60, 187,389 and 39,542.96 is: 59,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,910.60 : 187,389 = 39,542.96 : x
  2. Step 2: Convert to fraction form
    124,910.60/187,389 = 39,542.96/x
  3. Step 3: Cross multiply
    124,910.60x = 187,389 × 39,542.96
  4. Step 4: Simplify right side
    124,910.60x = 7,409,915,731.44
  5. Step 5: Solve for x
    x = 7,409,915,731.44/124,910.60
  6. Step 6: Final answer
    x = 59,321.75

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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.