Home / 215,207.28-296,965.20-124,545.28

Finding the Fourth Proportional to 215,207.28, 296,965.20 and 124,545.28

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Solution

The fourth proportional to 215,207.28, 296,965.20 and 124,545.28 is: 171,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,207.28 : 296,965.20 = 124,545.28 : x
  2. Step 2: Convert to fraction form
    215,207.28/296,965.20 = 124,545.28/x
  3. Step 3: Cross multiply
    215,207.28x = 296,965.20 × 124,545.28
  4. Step 4: Simplify right side
    215,207.28x = 36,985,613,984.26
  5. Step 5: Solve for x
    x = 36,985,613,984.26/215,207.28
  6. Step 6: Final answer
    x = 171,860.42

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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.