Home / 126,192.22-174,144.92-72,480.70

Finding the Fourth Proportional to 126,192.22, 174,144.92 and 72,480.70

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Solution

The fourth proportional to 126,192.22, 174,144.92 and 72,480.70 is: 100,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192.22 : 174,144.92 = 72,480.70 : x
  2. Step 2: Convert to fraction form
    126,192.22/174,144.92 = 72,480.70/x
  3. Step 3: Cross multiply
    126,192.22x = 174,144.92 × 72,480.70
  4. Step 4: Simplify right side
    126,192.22x = 12,622,145,703.04
  5. Step 5: Solve for x
    x = 12,622,145,703.04/126,192.22
  6. Step 6: Final answer
    x = 100,023.17

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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.