Home / 204,799.60-307,337.76-71,680.96

Finding the Fourth Proportional to 204,799.60, 307,337.76 and 71,680.96

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Solution

The fourth proportional to 204,799.60, 307,337.76 and 71,680.96 is: 107,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,799.60 : 307,337.76 = 71,680.96 : x
  2. Step 2: Convert to fraction form
    204,799.60/307,337.76 = 71,680.96/x
  3. Step 3: Cross multiply
    204,799.60x = 307,337.76 × 71,680.96
  4. Step 4: Simplify right side
    204,799.60x = 22,030,265,681.05
  5. Step 5: Solve for x
    x = 22,030,265,681.05/204,799.60
  6. Step 6: Final answer
    x = 107,569.87

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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.