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Finding the Fourth Proportional to 80,295.84, 120,221.28 and 60,514.56

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Solution

The fourth proportional to 80,295.84, 120,221.28 and 60,514.56 is: 90,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,295.84 : 120,221.28 = 60,514.56 : x
  2. Step 2: Convert to fraction form
    80,295.84/120,221.28 = 60,514.56/x
  3. Step 3: Cross multiply
    80,295.84x = 120,221.28 × 60,514.56
  4. Step 4: Simplify right side
    80,295.84x = 7,275,137,861.84
  5. Step 5: Solve for x
    x = 7,275,137,861.84/80,295.84
  6. Step 6: Final answer
    x = 90,604.17

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1.5x scale

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.