Home / 120,420.92-166,174.26-66,704.96

Finding the Fourth Proportional to 120,420.92, 166,174.26 and 66,704.96

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Solution

The fourth proportional to 120,420.92, 166,174.26 and 66,704.96 is: 92,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,420.92 : 166,174.26 = 66,704.96 : x
  2. Step 2: Convert to fraction form
    120,420.92/166,174.26 = 66,704.96/x
  3. Step 3: Cross multiply
    120,420.92x = 166,174.26 × 66,704.96
  4. Step 4: Simplify right side
    120,420.92x = 11,084,647,366.33
  5. Step 5: Solve for x
    x = 11,084,647,366.33/120,420.92
  6. Step 6: Final answer
    x = 92,049.18

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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.