Home / 126,208.42-189,323.60-36,251.64

Finding the Fourth Proportional to 126,208.42, 189,323.60 and 36,251.64

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Solution

The fourth proportional to 126,208.42, 189,323.60 and 36,251.64 is: 54,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,208.42 : 189,323.60 = 36,251.64 : x
  2. Step 2: Convert to fraction form
    126,208.42/189,323.60 = 36,251.64/x
  3. Step 3: Cross multiply
    126,208.42x = 189,323.60 × 36,251.64
  4. Step 4: Simplify right side
    126,208.42x = 6,863,290,809.45
  5. Step 5: Solve for x
    x = 6,863,290,809.45/126,208.42
  6. Step 6: Final answer
    x = 54,380.61

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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.