Home / 87,445.85-131,180.99-43,072.97

Finding the Fourth Proportional to 87,445.85, 131,180.99 and 43,072.97

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Solution

The fourth proportional to 87,445.85, 131,180.99 and 43,072.97 is: 64,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,445.85 : 131,180.99 = 43,072.97 : x
  2. Step 2: Convert to fraction form
    87,445.85/131,180.99 = 43,072.97/x
  3. Step 3: Cross multiply
    87,445.85x = 131,180.99 × 43,072.97
  4. Step 4: Simplify right side
    87,445.85x = 5,650,353,975.57
  5. Step 5: Solve for x
    x = 5,650,353,975.57/87,445.85
  6. Step 6: Final answer
    x = 64,615.47

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1.5x scale

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.