Home / 126,604.80-189,907.20-33,110.55

Finding the Fourth Proportional to 126,604.80, 189,907.20 and 33,110.55

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Solution

The fourth proportional to 126,604.80, 189,907.20 and 33,110.55 is: 49,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,604.80 : 189,907.20 = 33,110.55 : x
  2. Step 2: Convert to fraction form
    126,604.80/189,907.20 = 33,110.55/x
  3. Step 3: Cross multiply
    126,604.80x = 189,907.20 × 33,110.55
  4. Step 4: Simplify right side
    126,604.80x = 6,287,931,840.96
  5. Step 5: Solve for x
    x = 6,287,931,840.96/126,604.80
  6. Step 6: Final answer
    x = 49,665.83

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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.