Home / 126,085.56-189,171.54-43,037.88

Finding the Fourth Proportional to 126,085.56, 189,171.54 and 43,037.88

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Solution

The fourth proportional to 126,085.56, 189,171.54 and 43,037.88 is: 64,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,085.56 : 189,171.54 = 43,037.88 : x
  2. Step 2: Convert to fraction form
    126,085.56/189,171.54 = 43,037.88/x
  3. Step 3: Cross multiply
    126,085.56x = 189,171.54 × 43,037.88
  4. Step 4: Simplify right side
    126,085.56x = 8,141,542,037.94
  5. Step 5: Solve for x
    x = 8,141,542,037.94/126,085.56
  6. Step 6: Final answer
    x = 64,571.57

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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.