Home / 126,229.32-174,195.63-69,640.56

Finding the Fourth Proportional to 126,229.32, 174,195.63 and 69,640.56

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Solution

The fourth proportional to 126,229.32, 174,195.63 and 69,640.56 is: 96,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,229.32 : 174,195.63 = 69,640.56 : x
  2. Step 2: Convert to fraction form
    126,229.32/174,195.63 = 69,640.56/x
  3. Step 3: Cross multiply
    126,229.32x = 174,195.63 × 69,640.56
  4. Step 4: Simplify right side
    126,229.32x = 12,131,081,222.75
  5. Step 5: Solve for x
    x = 12,131,081,222.75/126,229.32
  6. Step 6: Final answer
    x = 96,103.51

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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.