Home / 206,691.35-285,265.23-126,165.56

Finding the Fourth Proportional to 206,691.35, 285,265.23 and 126,165.56

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Solution

The fourth proportional to 206,691.35, 285,265.23 and 126,165.56 is: 174,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,691.35 : 285,265.23 = 126,165.56 : x
  2. Step 2: Convert to fraction form
    206,691.35/285,265.23 = 126,165.56/x
  3. Step 3: Cross multiply
    206,691.35x = 285,265.23 × 126,165.56
  4. Step 4: Simplify right side
    206,691.35x = 35,990,646,065.15
  5. Step 5: Solve for x
    x = 35,990,646,065.15/206,691.35
  6. Step 6: Final answer
    x = 174,127.49

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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.