Home / 126,707.92-174,863.04-73,001.20

Finding the Fourth Proportional to 126,707.92, 174,863.04 and 73,001.20

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Solution

The fourth proportional to 126,707.92, 174,863.04 and 73,001.20 is: 100,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,707.92 : 174,863.04 = 73,001.20 : x
  2. Step 2: Convert to fraction form
    126,707.92/174,863.04 = 73,001.20/x
  3. Step 3: Cross multiply
    126,707.92x = 174,863.04 × 73,001.20
  4. Step 4: Simplify right side
    126,707.92x = 12,765,211,755.65
  5. Step 5: Solve for x
    x = 12,765,211,755.65/126,707.92
  6. Step 6: Final answer
    x = 100,745.18

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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.