Home / 87,908.24-131,774.16-43,567.20

Finding the Fourth Proportional to 87,908.24, 131,774.16 and 43,567.20

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Solution

The fourth proportional to 87,908.24, 131,774.16 and 43,567.20 is: 65,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.24 : 131,774.16 = 43,567.20 : x
  2. Step 2: Convert to fraction form
    87,908.24/131,774.16 = 43,567.20/x
  3. Step 3: Cross multiply
    87,908.24x = 131,774.16 × 43,567.20
  4. Step 4: Simplify right side
    87,908.24x = 5,741,031,183.55
  5. Step 5: Solve for x
    x = 5,741,031,183.55/87,908.24
  6. Step 6: Final answer
    x = 65,307.09

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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.