Home / 126,147.75-189,166.69-36,170.61

Finding the Fourth Proportional to 126,147.75, 189,166.69 and 36,170.61

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Solution

The fourth proportional to 126,147.75, 189,166.69 and 36,170.61 is: 54,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.75 : 189,166.69 = 36,170.61 : x
  2. Step 2: Convert to fraction form
    126,147.75/189,166.69 = 36,170.61/x
  3. Step 3: Cross multiply
    126,147.75x = 189,166.69 × 36,170.61
  4. Step 4: Simplify right side
    126,147.75x = 6,842,274,568.98
  5. Step 5: Solve for x
    x = 6,842,274,568.98/126,147.75
  6. Step 6: Final answer
    x = 54,240.16

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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.