Home / 123,358.44-170,234.46-66,770.04

Finding the Fourth Proportional to 123,358.44, 170,234.46 and 66,770.04

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Solution

The fourth proportional to 123,358.44, 170,234.46 and 66,770.04 is: 92,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,358.44 : 170,234.46 = 66,770.04 : x
  2. Step 2: Convert to fraction form
    123,358.44/170,234.46 = 66,770.04/x
  3. Step 3: Cross multiply
    123,358.44x = 170,234.46 × 66,770.04
  4. Step 4: Simplify right side
    123,358.44x = 11,366,561,703.58
  5. Step 5: Solve for x
    x = 11,366,561,703.58/123,358.44
  6. Step 6: Final answer
    x = 92,142.55

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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.