Home / 207,134.28-285,841.04-115,251.53

Finding the Fourth Proportional to 207,134.28, 285,841.04 and 115,251.53

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Solution

The fourth proportional to 207,134.28, 285,841.04 and 115,251.53 is: 159,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,134.28 : 285,841.04 = 115,251.53 : x
  2. Step 2: Convert to fraction form
    207,134.28/285,841.04 = 115,251.53/x
  3. Step 3: Cross multiply
    207,134.28x = 285,841.04 × 115,251.53
  4. Step 4: Simplify right side
    207,134.28x = 32,943,615,191.33
  5. Step 5: Solve for x
    x = 32,943,615,191.33/207,134.28
  6. Step 6: Final answer
    x = 159,044.73

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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.