Home / 124,821.24-172,255.98-68,237.88

Finding the Fourth Proportional to 124,821.24, 172,255.98 and 68,237.88

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Solution

The fourth proportional to 124,821.24, 172,255.98 and 68,237.88 is: 94,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.24 : 172,255.98 = 68,237.88 : x
  2. Step 2: Convert to fraction form
    124,821.24/172,255.98 = 68,237.88/x
  3. Step 3: Cross multiply
    124,821.24x = 172,255.98 × 68,237.88
  4. Step 4: Simplify right side
    124,821.24x = 11,754,382,892.52
  5. Step 5: Solve for x
    x = 11,754,382,892.52/124,821.24
  6. Step 6: Final answer
    x = 94,169.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.