Home / 87,899.42-131,852.39-45,193.43

Finding the Fourth Proportional to 87,899.42, 131,852.39 and 45,193.43

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Solution

The fourth proportional to 87,899.42, 131,852.39 and 45,193.43 is: 67,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899.42 : 131,852.39 = 45,193.43 : x
  2. Step 2: Convert to fraction form
    87,899.42/131,852.39 = 45,193.43/x
  3. Step 3: Cross multiply
    87,899.42x = 131,852.39 × 45,193.43
  4. Step 4: Simplify right side
    87,899.42x = 5,958,860,872.57
  5. Step 5: Solve for x
    x = 5,958,860,872.57/87,899.42
  6. Step 6: Final answer
    x = 67,791.81

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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.