Home / 126,118.27-173,944.80-80,800.47

Finding the Fourth Proportional to 126,118.27, 173,944.80 and 80,800.47

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Solution

The fourth proportional to 126,118.27, 173,944.80 and 80,800.47 is: 111,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.27 : 173,944.80 = 80,800.47 : x
  2. Step 2: Convert to fraction form
    126,118.27/173,944.80 = 80,800.47/x
  3. Step 3: Cross multiply
    126,118.27x = 173,944.80 × 80,800.47
  4. Step 4: Simplify right side
    126,118.27x = 14,054,821,594.06
  5. Step 5: Solve for x
    x = 14,054,821,594.06/126,118.27
  6. Step 6: Final answer
    x = 111,441.60

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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.