Home / 132,168.20-182,392.30-71,738.85

Finding the Fourth Proportional to 132,168.20, 182,392.30 and 71,738.85

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Solution

The fourth proportional to 132,168.20, 182,392.30 and 71,738.85 is: 98,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.20 : 182,392.30 = 71,738.85 : x
  2. Step 2: Convert to fraction form
    132,168.20/182,392.30 = 71,738.85/x
  3. Step 3: Cross multiply
    132,168.20x = 182,392.30 × 71,738.85
  4. Step 4: Simplify right side
    132,168.20x = 13,084,613,850.86
  5. Step 5: Solve for x
    x = 13,084,613,850.86/132,168.20
  6. Step 6: Final answer
    x = 98,999.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.