Home / 126,550.24-189,877.75-55,436.13

Finding the Fourth Proportional to 126,550.24, 189,877.75 and 55,436.13

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Solution

The fourth proportional to 126,550.24, 189,877.75 and 55,436.13 is: 83,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.24 : 189,877.75 = 55,436.13 : x
  2. Step 2: Convert to fraction form
    126,550.24/189,877.75 = 55,436.13/x
  3. Step 3: Cross multiply
    126,550.24x = 189,877.75 × 55,436.13
  4. Step 4: Simplify right side
    126,550.24x = 10,526,087,633.11
  5. Step 5: Solve for x
    x = 10,526,087,633.11/126,550.24
  6. Step 6: Final answer
    x = 83,177.14

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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.