Home / 126,034.94-189,131.23-51,155.08

Finding the Fourth Proportional to 126,034.94, 189,131.23 and 51,155.08

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Solution

The fourth proportional to 126,034.94, 189,131.23 and 51,155.08 is: 76,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034.94 : 189,131.23 = 51,155.08 : x
  2. Step 2: Convert to fraction form
    126,034.94/189,131.23 = 51,155.08/x
  3. Step 3: Cross multiply
    126,034.94x = 189,131.23 × 51,155.08
  4. Step 4: Simplify right side
    126,034.94x = 9,675,022,600.43
  5. Step 5: Solve for x
    x = 9,675,022,600.43/126,034.94
  6. Step 6: Final answer
    x = 76,764.61

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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.