Home / 88,220.13-121,760.18-50,494.38

Finding the Fourth Proportional to 88,220.13, 121,760.18 and 50,494.38

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Solution

The fourth proportional to 88,220.13, 121,760.18 and 50,494.38 is: 69,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220.13 : 121,760.18 = 50,494.38 : x
  2. Step 2: Convert to fraction form
    88,220.13/121,760.18 = 50,494.38/x
  3. Step 3: Cross multiply
    88,220.13x = 121,760.18 × 50,494.38
  4. Step 4: Simplify right side
    88,220.13x = 6,148,204,797.79
  5. Step 5: Solve for x
    x = 6,148,204,797.79/88,220.13
  6. Step 6: Final answer
    x = 69,691.63

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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.