Home / 113,049.56-169,348.26-68,046.20

Finding the Fourth Proportional to 113,049.56, 169,348.26 and 68,046.20

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Solution

The fourth proportional to 113,049.56, 169,348.26 and 68,046.20 is: 101,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.56 : 169,348.26 = 68,046.20 : x
  2. Step 2: Convert to fraction form
    113,049.56/169,348.26 = 68,046.20/x
  3. Step 3: Cross multiply
    113,049.56x = 169,348.26 × 68,046.20
  4. Step 4: Simplify right side
    113,049.56x = 11,523,505,569.61
  5. Step 5: Solve for x
    x = 11,523,505,569.61/113,049.56
  6. Step 6: Final answer
    x = 101,933.22

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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.