Home / 486,169.16-729,253.72-131,183.18

Finding the Fourth Proportional to 486,169.16, 729,253.72 and 131,183.18

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Solution

The fourth proportional to 486,169.16, 729,253.72 and 131,183.18 is: 196,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,169.16 : 729,253.72 = 131,183.18 : x
  2. Step 2: Convert to fraction form
    486,169.16/729,253.72 = 131,183.18/x
  3. Step 3: Cross multiply
    486,169.16x = 729,253.72 × 131,183.18
  4. Step 4: Simplify right side
    486,169.16x = 95,665,822,016.43
  5. Step 5: Solve for x
    x = 95,665,822,016.43/486,169.16
  6. Step 6: Final answer
    x = 196,774.76

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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.