Home / 126,033.09-173,917.56-75,049.59

Finding the Fourth Proportional to 126,033.09, 173,917.56 and 75,049.59

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Solution

The fourth proportional to 126,033.09, 173,917.56 and 75,049.59 is: 103,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,033.09 : 173,917.56 = 75,049.59 : x
  2. Step 2: Convert to fraction form
    126,033.09/173,917.56 = 75,049.59/x
  3. Step 3: Cross multiply
    126,033.09x = 173,917.56 × 75,049.59
  4. Step 4: Simplify right side
    126,033.09x = 13,052,441,571.80
  5. Step 5: Solve for x
    x = 13,052,441,571.80/126,033.09
  6. Step 6: Final answer
    x = 103,563.61

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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.