Home / 126,494.26-174,586.44-81,229.43

Finding the Fourth Proportional to 126,494.26, 174,586.44 and 81,229.43

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Solution

The fourth proportional to 126,494.26, 174,586.44 and 81,229.43 is: 112,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,494.26 : 174,586.44 = 81,229.43 : x
  2. Step 2: Convert to fraction form
    126,494.26/174,586.44 = 81,229.43/x
  3. Step 3: Cross multiply
    126,494.26x = 174,586.44 × 81,229.43
  4. Step 4: Simplify right side
    126,494.26x = 14,181,557,006.93
  5. Step 5: Solve for x
    x = 14,181,557,006.93/126,494.26
  6. Step 6: Final answer
    x = 112,112.26

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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.