Home / 124,987.97-187,483.16-31,493.72

Finding the Fourth Proportional to 124,987.97, 187,483.16 and 31,493.72

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Solution

The fourth proportional to 124,987.97, 187,483.16 and 31,493.72 is: 47,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,987.97 : 187,483.16 = 31,493.72 : x
  2. Step 2: Convert to fraction form
    124,987.97/187,483.16 = 31,493.72/x
  3. Step 3: Cross multiply
    124,987.97x = 187,483.16 × 31,493.72
  4. Step 4: Simplify right side
    124,987.97x = 5,904,541,287.07
  5. Step 5: Solve for x
    x = 5,904,541,287.07/124,987.97
  6. Step 6: Final answer
    x = 47,240.88

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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.