Home / 132,123.42-182,481.75-87,003.12

Finding the Fourth Proportional to 132,123.42, 182,481.75 and 87,003.12

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Solution

The fourth proportional to 132,123.42, 182,481.75 and 87,003.12 is: 120,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.42 : 182,481.75 = 87,003.12 : x
  2. Step 2: Convert to fraction form
    132,123.42/182,481.75 = 87,003.12/x
  3. Step 3: Cross multiply
    132,123.42x = 182,481.75 × 87,003.12
  4. Step 4: Simplify right side
    132,123.42x = 15,876,481,593.06
  5. Step 5: Solve for x
    x = 15,876,481,593.06/132,123.42
  6. Step 6: Final answer
    x = 120,164.02

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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.