Home / 204,810.18-307,353.57-71,691.54

Finding the Fourth Proportional to 204,810.18, 307,353.57 and 71,691.54

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Solution

The fourth proportional to 204,810.18, 307,353.57 and 71,691.54 is: 107,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,810.18 : 307,353.57 = 71,691.54 : x
  2. Step 2: Convert to fraction form
    204,810.18/307,353.57 = 71,691.54/x
  3. Step 3: Cross multiply
    204,810.18x = 307,353.57 × 71,691.54
  4. Step 4: Simplify right side
    204,810.18x = 22,034,650,757.80
  5. Step 5: Solve for x
    x = 22,034,650,757.80/204,810.18
  6. Step 6: Final answer
    x = 107,585.72

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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.