Home / 486,166.35-729,249.51-131,180.36

Finding the Fourth Proportional to 486,166.35, 729,249.51 and 131,180.36

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Solution

The fourth proportional to 486,166.35, 729,249.51 and 131,180.36 is: 196,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,166.35 : 729,249.51 = 131,180.36 : x
  2. Step 2: Convert to fraction form
    486,166.35/729,249.51 = 131,180.36/x
  3. Step 3: Cross multiply
    486,166.35x = 729,249.51 × 131,180.36
  4. Step 4: Simplify right side
    486,166.35x = 95,663,213,251.62
  5. Step 5: Solve for x
    x = 95,663,213,251.62/486,166.35
  6. Step 6: Final answer
    x = 196,770.54

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Similar ratio
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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.