Home / 132,356.20-198,597.66-82,422.76

Finding the Fourth Proportional to 132,356.20, 198,597.66 and 82,422.76

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Solution

The fourth proportional to 132,356.20, 198,597.66 and 82,422.76 is: 123,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.20 : 198,597.66 = 82,422.76 : x
  2. Step 2: Convert to fraction form
    132,356.20/198,597.66 = 82,422.76/x
  3. Step 3: Cross multiply
    132,356.20x = 198,597.66 × 82,422.76
  4. Step 4: Simplify right side
    132,356.20x = 16,368,967,266.74
  5. Step 5: Solve for x
    x = 16,368,967,266.74/132,356.20
  6. Step 6: Final answer
    x = 123,673.60

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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.