Home / 126,351.25-174,363.37-68,990.38

Finding the Fourth Proportional to 126,351.25, 174,363.37 and 68,990.38

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Solution

The fourth proportional to 126,351.25, 174,363.37 and 68,990.38 is: 95,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.25 : 174,363.37 = 68,990.38 : x
  2. Step 2: Convert to fraction form
    126,351.25/174,363.37 = 68,990.38/x
  3. Step 3: Cross multiply
    126,351.25x = 174,363.37 × 68,990.38
  4. Step 4: Simplify right side
    126,351.25x = 12,029,394,546.00
  5. Step 5: Solve for x
    x = 12,029,394,546.00/126,351.25
  6. Step 6: Final answer
    x = 95,205.98

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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.