Home / 126,146.75-189,165.20-36,169.61

Finding the Fourth Proportional to 126,146.75, 189,165.20 and 36,169.61

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Solution

The fourth proportional to 126,146.75, 189,165.20 and 36,169.61 is: 54,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,146.75 : 189,165.20 = 36,169.61 : x
  2. Step 2: Convert to fraction form
    126,146.75/189,165.20 = 36,169.61/x
  3. Step 3: Cross multiply
    126,146.75x = 189,165.20 × 36,169.61
  4. Step 4: Simplify right side
    126,146.75x = 6,842,030,382.90
  5. Step 5: Solve for x
    x = 6,842,030,382.90/126,146.75
  6. Step 6: Final answer
    x = 54,238.66

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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.