Home / 123,377.73-170,261.24-66,789.06

Finding the Fourth Proportional to 123,377.73, 170,261.24 and 66,789.06

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Solution

The fourth proportional to 123,377.73, 170,261.24 and 66,789.06 is: 92,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,377.73 : 170,261.24 = 66,789.06 : x
  2. Step 2: Convert to fraction form
    123,377.73/170,261.24 = 66,789.06/x
  3. Step 3: Cross multiply
    123,377.73x = 170,261.24 × 66,789.06
  4. Step 4: Simplify right side
    123,377.73x = 11,371,587,840.09
  5. Step 5: Solve for x
    x = 11,371,587,840.09/123,377.73
  6. Step 6: Final answer
    x = 92,168.89

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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.