Home / 126,198.06-189,256.14-41,935.61

Finding the Fourth Proportional to 126,198.06, 189,256.14 and 41,935.61

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Solution

The fourth proportional to 126,198.06, 189,256.14 and 41,935.61 is: 62,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,198.06 : 189,256.14 = 41,935.61 : x
  2. Step 2: Convert to fraction form
    126,198.06/189,256.14 = 41,935.61/x
  3. Step 3: Cross multiply
    126,198.06x = 189,256.14 × 41,935.61
  4. Step 4: Simplify right side
    126,198.06x = 7,936,570,730.86
  5. Step 5: Solve for x
    x = 7,936,570,730.86/126,198.06
  6. Step 6: Final answer
    x = 62,889.80

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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.