Home / 132,177.20-182,404.64-71,747.80

Finding the Fourth Proportional to 132,177.20, 182,404.64 and 71,747.80

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Solution

The fourth proportional to 132,177.20, 182,404.64 and 71,747.80 is: 99,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,177.20 : 182,404.64 = 71,747.80 : x
  2. Step 2: Convert to fraction form
    132,177.20/182,404.64 = 71,747.80/x
  3. Step 3: Cross multiply
    132,177.20x = 182,404.64 × 71,747.80
  4. Step 4: Simplify right side
    132,177.20x = 13,087,131,629.79
  5. Step 5: Solve for x
    x = 13,087,131,629.79/132,177.20
  6. Step 6: Final answer
    x = 99,012.02

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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.