Home / 126,118.20-173,944.62-80,800.36

Finding the Fourth Proportional to 126,118.20, 173,944.62 and 80,800.36

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Solution

The fourth proportional to 126,118.20, 173,944.62 and 80,800.36 is: 111,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.20 : 173,944.62 = 80,800.36 : x
  2. Step 2: Convert to fraction form
    126,118.20/173,944.62 = 80,800.36/x
  3. Step 3: Cross multiply
    126,118.20x = 173,944.62 × 80,800.36
  4. Step 4: Simplify right side
    126,118.20x = 14,054,787,916.06
  5. Step 5: Solve for x
    x = 14,054,787,916.06/126,118.20
  6. Step 6: Final answer
    x = 111,441.39

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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.