Home / 126,115.88-189,124.59-55,060.25

Finding the Fourth Proportional to 126,115.88, 189,124.59 and 55,060.25

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Solution

The fourth proportional to 126,115.88, 189,124.59 and 55,060.25 is: 82,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.88 : 189,124.59 = 55,060.25 : x
  2. Step 2: Convert to fraction form
    126,115.88/189,124.59 = 55,060.25/x
  3. Step 3: Cross multiply
    126,115.88x = 189,124.59 × 55,060.25
  4. Step 4: Simplify right side
    126,115.88x = 10,413,246,260.92
  5. Step 5: Solve for x
    x = 10,413,246,260.92/126,115.88
  6. Step 6: Final answer
    x = 82,568.88

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1.5x scale

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.