Home / 132,022.30-198,009.15-82,012.90

Finding the Fourth Proportional to 132,022.30, 198,009.15 and 82,012.90

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Solution

The fourth proportional to 132,022.30, 198,009.15 and 82,012.90 is: 123,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,022.30 : 198,009.15 = 82,012.90 : x
  2. Step 2: Convert to fraction form
    132,022.30/198,009.15 = 82,012.90/x
  3. Step 3: Cross multiply
    132,022.30x = 198,009.15 × 82,012.90
  4. Step 4: Simplify right side
    132,022.30x = 16,239,304,618.04
  5. Step 5: Solve for x
    x = 16,239,304,618.04/132,022.30
  6. Step 6: Final answer
    x = 123,004.25

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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.