Home / 168,042.11-231,894.86-91,560.29

Finding the Fourth Proportional to 168,042.11, 231,894.86 and 91,560.29

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Solution

The fourth proportional to 168,042.11, 231,894.86 and 91,560.29 is: 126,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.11 : 231,894.86 = 91,560.29 : x
  2. Step 2: Convert to fraction form
    168,042.11/231,894.86 = 91,560.29/x
  3. Step 3: Cross multiply
    168,042.11x = 231,894.86 × 91,560.29
  4. Step 4: Simplify right side
    168,042.11x = 21,232,359,013.83
  5. Step 5: Solve for x
    x = 21,232,359,013.83/168,042.11
  6. Step 6: Final answer
    x = 126,351.42

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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.