Home / 215,377.81-297,249.27-123,532.92

Finding the Fourth Proportional to 215,377.81, 297,249.27 and 123,532.92

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Solution

The fourth proportional to 215,377.81, 297,249.27 and 123,532.92 is: 170,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.81 : 297,249.27 = 123,532.92 : x
  2. Step 2: Convert to fraction form
    215,377.81/297,249.27 = 123,532.92/x
  3. Step 3: Cross multiply
    215,377.81x = 297,249.27 × 123,532.92
  4. Step 4: Simplify right side
    215,377.81x = 36,720,070,290.97
  5. Step 5: Solve for x
    x = 36,720,070,290.97/215,377.81
  6. Step 6: Final answer
    x = 170,491.43

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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.