Home / 91,918.91-126,843.22-51,634.37

Finding the Fourth Proportional to 91,918.91, 126,843.22 and 51,634.37

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Solution

The fourth proportional to 91,918.91, 126,843.22 and 51,634.37 is: 71,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918.91 : 126,843.22 = 51,634.37 : x
  2. Step 2: Convert to fraction form
    91,918.91/126,843.22 = 51,634.37/x
  3. Step 3: Cross multiply
    91,918.91x = 126,843.22 × 51,634.37
  4. Step 4: Simplify right side
    91,918.91x = 6,549,469,753.47
  5. Step 5: Solve for x
    x = 6,549,469,753.47/91,918.91
  6. Step 6: Final answer
    x = 71,252.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.