Home / 239,414.38-330,394.08-131,988.27

Finding the Fourth Proportional to 239,414.38, 330,394.08 and 131,988.27

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Solution

The fourth proportional to 239,414.38, 330,394.08 and 131,988.27 is: 182,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,414.38 : 330,394.08 = 131,988.27 : x
  2. Step 2: Convert to fraction form
    239,414.38/330,394.08 = 131,988.27/x
  3. Step 3: Cross multiply
    239,414.38x = 330,394.08 × 131,988.27
  4. Step 4: Simplify right side
    239,414.38x = 43,608,143,037.44
  5. Step 5: Solve for x
    x = 43,608,143,037.44/239,414.38
  6. Step 6: Final answer
    x = 182,145.05

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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.