Home / 123,351.56-170,221.74-68,902.28

Finding the Fourth Proportional to 123,351.56, 170,221.74 and 68,902.28

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Solution

The fourth proportional to 123,351.56, 170,221.74 and 68,902.28 is: 95,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,351.56 : 170,221.74 = 68,902.28 : x
  2. Step 2: Convert to fraction form
    123,351.56/170,221.74 = 68,902.28/x
  3. Step 3: Cross multiply
    123,351.56x = 170,221.74 × 68,902.28
  4. Step 4: Simplify right side
    123,351.56x = 11,728,665,991.57
  5. Step 5: Solve for x
    x = 11,728,665,991.57/123,351.56
  6. Step 6: Final answer
    x = 95,083.24

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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.