Home / 206,582.78-309,615.24-88,115.42

Finding the Fourth Proportional to 206,582.78, 309,615.24 and 88,115.42

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Solution

The fourth proportional to 206,582.78, 309,615.24 and 88,115.42 is: 132,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,582.78 : 309,615.24 = 88,115.42 : x
  2. Step 2: Convert to fraction form
    206,582.78/309,615.24 = 88,115.42/x
  3. Step 3: Cross multiply
    206,582.78x = 309,615.24 × 88,115.42
  4. Step 4: Simplify right side
    206,582.78x = 27,281,876,911.00
  5. Step 5: Solve for x
    x = 27,281,876,911.00/206,582.78
  6. Step 6: Final answer
    x = 132,062.69

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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.