Home / 126,016.20-189,110.70-55,945.80

Finding the Fourth Proportional to 126,016.20, 189,110.70 and 55,945.80

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Solution

The fourth proportional to 126,016.20, 189,110.70 and 55,945.80 is: 83,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016.20 : 189,110.70 = 55,945.80 : x
  2. Step 2: Convert to fraction form
    126,016.20/189,110.70 = 55,945.80/x
  3. Step 3: Cross multiply
    126,016.20x = 189,110.70 × 55,945.80
  4. Step 4: Simplify right side
    126,016.20x = 10,579,949,400.06
  5. Step 5: Solve for x
    x = 10,579,949,400.06/126,016.20
  6. Step 6: Final answer
    x = 83,957.06

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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.