Home / 126,116.68-173,942.57-80,798.85

Finding the Fourth Proportional to 126,116.68, 173,942.57 and 80,798.85

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Solution

The fourth proportional to 126,116.68, 173,942.57 and 80,798.85 is: 111,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,116.68 : 173,942.57 = 80,798.85 : x
  2. Step 2: Convert to fraction form
    126,116.68/173,942.57 = 80,798.85/x
  3. Step 3: Cross multiply
    126,116.68x = 173,942.57 × 80,798.85
  4. Step 4: Simplify right side
    126,116.68x = 14,054,359,622.04
  5. Step 5: Solve for x
    x = 14,054,359,622.04/126,116.68
  6. Step 6: Final answer
    x = 111,439.34

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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.