Home / 87,514.80-131,256.36-25,170

Finding the Fourth Proportional to 87,514.80, 131,256.36 and 25,170

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Solution

The fourth proportional to 87,514.80, 131,256.36 and 25,170 is: 37,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.80 : 131,256.36 = 25,170 : x
  2. Step 2: Convert to fraction form
    87,514.80/131,256.36 = 25,170/x
  3. Step 3: Cross multiply
    87,514.80x = 131,256.36 × 25,170
  4. Step 4: Simplify right side
    87,514.80x = 3,303,722,581.20
  5. Step 5: Solve for x
    x = 3,303,722,581.20/87,514.80
  6. Step 6: Final answer
    x = 37,750.44

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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.