Home / 126,132.27-189,178.97-55,999.23

Finding the Fourth Proportional to 126,132.27, 189,178.97 and 55,999.23

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Solution

The fourth proportional to 126,132.27, 189,178.97 and 55,999.23 is: 83,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.27 : 189,178.97 = 55,999.23 : x
  2. Step 2: Convert to fraction form
    126,132.27/189,178.97 = 55,999.23/x
  3. Step 3: Cross multiply
    126,132.27x = 189,178.97 × 55,999.23
  4. Step 4: Simplify right side
    126,132.27x = 10,593,876,372.20
  5. Step 5: Solve for x
    x = 10,593,876,372.20/126,132.27
  6. Step 6: Final answer
    x = 83,990.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.