Home / 126,039.44-189,137.98-51,159.56

Finding the Fourth Proportional to 126,039.44, 189,137.98 and 51,159.56

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Solution

The fourth proportional to 126,039.44, 189,137.98 and 51,159.56 is: 76,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.44 : 189,137.98 = 51,159.56 : x
  2. Step 2: Convert to fraction form
    126,039.44/189,137.98 = 51,159.56/x
  3. Step 3: Cross multiply
    126,039.44x = 189,137.98 × 51,159.56
  4. Step 4: Simplify right side
    126,039.44x = 9,676,215,836.09
  5. Step 5: Solve for x
    x = 9,676,215,836.09/126,039.44
  6. Step 6: Final answer
    x = 76,771.33

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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.