Home / 166,704.28-230,050.13-90,221.78

Finding the Fourth Proportional to 166,704.28, 230,050.13 and 90,221.78

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Solution

The fourth proportional to 166,704.28, 230,050.13 and 90,221.78 is: 124,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,704.28 : 230,050.13 = 90,221.78 : x
  2. Step 2: Convert to fraction form
    166,704.28/230,050.13 = 90,221.78/x
  3. Step 3: Cross multiply
    166,704.28x = 230,050.13 × 90,221.78
  4. Step 4: Simplify right side
    166,704.28x = 20,755,532,341.85
  5. Step 5: Solve for x
    x = 20,755,532,341.85/166,704.28
  6. Step 6: Final answer
    x = 124,505.10

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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.