Home / 132,375.85-182,680.07-71,946.49

Finding the Fourth Proportional to 132,375.85, 182,680.07 and 71,946.49

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Solution

The fourth proportional to 132,375.85, 182,680.07 and 71,946.49 is: 99,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.85 : 182,680.07 = 71,946.49 : x
  2. Step 2: Convert to fraction form
    132,375.85/182,680.07 = 71,946.49/x
  3. Step 3: Cross multiply
    132,375.85x = 182,680.07 × 71,946.49
  4. Step 4: Simplify right side
    132,375.85x = 13,143,189,829.45
  5. Step 5: Solve for x
    x = 13,143,189,829.45/132,375.85
  6. Step 6: Final answer
    x = 99,286.92

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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.