Home / 126,601.80-189,902.70-33,107.55

Finding the Fourth Proportional to 126,601.80, 189,902.70 and 33,107.55

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Solution

The fourth proportional to 126,601.80, 189,902.70 and 33,107.55 is: 49,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601.80 : 189,902.70 = 33,107.55 : x
  2. Step 2: Convert to fraction form
    126,601.80/189,902.70 = 33,107.55/x
  3. Step 3: Cross multiply
    126,601.80x = 189,902.70 × 33,107.55
  4. Step 4: Simplify right side
    126,601.80x = 6,287,213,135.39
  5. Step 5: Solve for x
    x = 6,287,213,135.39/126,601.80
  6. Step 6: Final answer
    x = 49,661.33

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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.