Home / 200,121.28-276,047.04-132,138.88

Finding the Fourth Proportional to 200,121.28, 276,047.04 and 132,138.88

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Solution

The fourth proportional to 200,121.28, 276,047.04 and 132,138.88 is: 182,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,121.28 : 276,047.04 = 132,138.88 : x
  2. Step 2: Convert to fraction form
    200,121.28/276,047.04 = 132,138.88/x
  3. Step 3: Cross multiply
    200,121.28x = 276,047.04 × 132,138.88
  4. Step 4: Simplify right side
    200,121.28x = 36,476,546,692.92
  5. Step 5: Solve for x
    x = 36,476,546,692.92/200,121.28
  6. Step 6: Final answer
    x = 182,272.20

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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.