Home / 132,359.20-198,602.16-82,425.76

Finding the Fourth Proportional to 132,359.20, 198,602.16 and 82,425.76

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Solution

The fourth proportional to 132,359.20, 198,602.16 and 82,425.76 is: 123,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.20 : 198,602.16 = 82,425.76 : x
  2. Step 2: Convert to fraction form
    132,359.20/198,602.16 = 82,425.76/x
  3. Step 3: Cross multiply
    132,359.20x = 198,602.16 × 82,425.76
  4. Step 4: Simplify right side
    132,359.20x = 16,369,933,975.64
  5. Step 5: Solve for x
    x = 16,369,933,975.64/132,359.20
  6. Step 6: Final answer
    x = 123,678.10

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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.