Home / 215,077.28-296,722.65-123,147.44

Finding the Fourth Proportional to 215,077.28, 296,722.65 and 123,147.44

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Solution

The fourth proportional to 215,077.28, 296,722.65 and 123,147.44 is: 169,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,077.28 : 296,722.65 = 123,147.44 : x
  2. Step 2: Convert to fraction form
    215,077.28/296,722.65 = 123,147.44/x
  3. Step 3: Cross multiply
    215,077.28x = 296,722.65 × 123,147.44
  4. Step 4: Simplify right side
    215,077.28x = 36,540,634,121.78
  5. Step 5: Solve for x
    x = 36,540,634,121.78/215,077.28
  6. Step 6: Final answer
    x = 169,895.37

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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.