Home / 120,324.92-166,046.38-66,608.80

Finding the Fourth Proportional to 120,324.92, 166,046.38 and 66,608.80

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Solution

The fourth proportional to 120,324.92, 166,046.38 and 66,608.80 is: 91,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,324.92 : 166,046.38 = 66,608.80 : x
  2. Step 2: Convert to fraction form
    120,324.92/166,046.38 = 66,608.80/x
  3. Step 3: Cross multiply
    120,324.92x = 166,046.38 × 66,608.80
  4. Step 4: Simplify right side
    120,324.92x = 11,060,150,116.14
  5. Step 5: Solve for x
    x = 11,060,150,116.14/120,324.92
  6. Step 6: Final answer
    x = 91,919.03

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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.