Home / 126,176.20-174,079.19-80,879.16

Finding the Fourth Proportional to 126,176.20, 174,079.19 and 80,879.16

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Solution

The fourth proportional to 126,176.20, 174,079.19 and 80,879.16 is: 111,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176.20 : 174,079.19 = 80,879.16 : x
  2. Step 2: Convert to fraction form
    126,176.20/174,079.19 = 80,879.16/x
  3. Step 3: Cross multiply
    126,176.20x = 174,079.19 × 80,879.16
  4. Step 4: Simplify right side
    126,176.20x = 14,079,378,256.28
  5. Step 5: Solve for x
    x = 14,079,378,256.28/126,176.20
  6. Step 6: Final answer
    x = 111,585.05

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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.