Home / 123,748.89-170,772.46-67,160.26

Finding the Fourth Proportional to 123,748.89, 170,772.46 and 67,160.26

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Solution

The fourth proportional to 123,748.89, 170,772.46 and 67,160.26 is: 92,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,748.89 : 170,772.46 = 67,160.26 : x
  2. Step 2: Convert to fraction form
    123,748.89/170,772.46 = 67,160.26/x
  3. Step 3: Cross multiply
    123,748.89x = 170,772.46 × 67,160.26
  4. Step 4: Simplify right side
    123,748.89x = 11,469,122,814.44
  5. Step 5: Solve for x
    x = 11,469,122,814.44/123,748.89
  6. Step 6: Final answer
    x = 92,680.61

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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.