Home / 126,116.70-173,942.56-80,798.86

Finding the Fourth Proportional to 126,116.70, 173,942.56 and 80,798.86

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Solution

The fourth proportional to 126,116.70, 173,942.56 and 80,798.86 is: 111,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,116.70 : 173,942.56 = 80,798.86 : x
  2. Step 2: Convert to fraction form
    126,116.70/173,942.56 = 80,798.86/x
  3. Step 3: Cross multiply
    126,116.70x = 173,942.56 × 80,798.86
  4. Step 4: Simplify right side
    126,116.70x = 14,054,360,553.48
  5. Step 5: Solve for x
    x = 14,054,360,553.48/126,116.70
  6. Step 6: Final answer
    x = 111,439.33

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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.