Home / 126,229.68-174,189.60-69,640.92

Finding the Fourth Proportional to 126,229.68, 174,189.60 and 69,640.92

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Solution

The fourth proportional to 126,229.68, 174,189.60 and 69,640.92 is: 96,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,229.68 : 174,189.60 = 69,640.92 : x
  2. Step 2: Convert to fraction form
    126,229.68/174,189.60 = 69,640.92/x
  3. Step 3: Cross multiply
    126,229.68x = 174,189.60 × 69,640.92
  4. Step 4: Simplify right side
    126,229.68x = 12,130,723,998.43
  5. Step 5: Solve for x
    x = 12,130,723,998.43/126,229.68
  6. Step 6: Final answer
    x = 96,100.41

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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.