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Finding the Fourth Proportional to 169,279.92, 233,495.19 and 108,755.10

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Solution

The fourth proportional to 169,279.92, 233,495.19 and 108,755.10 is: 150,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,279.92 : 233,495.19 = 108,755.10 : x
  2. Step 2: Convert to fraction form
    169,279.92/233,495.19 = 108,755.10/x
  3. Step 3: Cross multiply
    169,279.92x = 233,495.19 × 108,755.10
  4. Step 4: Simplify right side
    169,279.92x = 25,393,792,737.97
  5. Step 5: Solve for x
    x = 25,393,792,737.97/169,279.92
  6. Step 6: Final answer
    x = 150,010.66

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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.