Home / 204,556.20-306,615.60-92,217.30

Finding the Fourth Proportional to 204,556.20, 306,615.60 and 92,217.30

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Solution

The fourth proportional to 204,556.20, 306,615.60 and 92,217.30 is: 138,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,556.20 : 306,615.60 = 92,217.30 : x
  2. Step 2: Convert to fraction form
    204,556.20/306,615.60 = 92,217.30/x
  3. Step 3: Cross multiply
    204,556.20x = 306,615.60 × 92,217.30
  4. Step 4: Simplify right side
    204,556.20x = 28,275,262,769.88
  5. Step 5: Solve for x
    x = 28,275,262,769.88/204,556.20
  6. Step 6: Final answer
    x = 138,227.36

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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.