Home / 166,002.21-229,082.78-90,550.71

Finding the Fourth Proportional to 166,002.21, 229,082.78 and 90,550.71

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Solution

The fourth proportional to 166,002.21, 229,082.78 and 90,550.71 is: 124,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,002.21 : 229,082.78 = 90,550.71 : x
  2. Step 2: Convert to fraction form
    166,002.21/229,082.78 = 90,550.71/x
  3. Step 3: Cross multiply
    166,002.21x = 229,082.78 × 90,550.71
  4. Step 4: Simplify right side
    166,002.21x = 20,743,608,604.15
  5. Step 5: Solve for x
    x = 20,743,608,604.15/166,002.21
  6. Step 6: Final answer
    x = 124,959.83

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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.