Home / 87,451.50-131,199.39-25,122

Finding the Fourth Proportional to 87,451.50, 131,199.39 and 25,122

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Solution

The fourth proportional to 87,451.50, 131,199.39 and 25,122 is: 37,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.50 : 131,199.39 = 25,122 : x
  2. Step 2: Convert to fraction form
    87,451.50/131,199.39 = 25,122/x
  3. Step 3: Cross multiply
    87,451.50x = 131,199.39 × 25,122
  4. Step 4: Simplify right side
    87,451.50x = 3,295,991,075.58
  5. Step 5: Solve for x
    x = 3,295,991,075.58/87,451.50
  6. Step 6: Final answer
    x = 37,689.36

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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.