Home / 200,448.28-300,672.24-82,119.88

Finding the Fourth Proportional to 200,448.28, 300,672.24 and 82,119.88

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Solution

The fourth proportional to 200,448.28, 300,672.24 and 82,119.88 is: 123,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,448.28 : 300,672.24 = 82,119.88 : x
  2. Step 2: Convert to fraction form
    200,448.28/300,672.24 = 82,119.88/x
  3. Step 3: Cross multiply
    200,448.28x = 300,672.24 × 82,119.88
  4. Step 4: Simplify right side
    200,448.28x = 24,691,168,268.13
  5. Step 5: Solve for x
    x = 24,691,168,268.13/200,448.28
  6. Step 6: Final answer
    x = 123,179.75

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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.