Home / 168,101.94-231,974.76-91,619.46

Finding the Fourth Proportional to 168,101.94, 231,974.76 and 91,619.46

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Solution

The fourth proportional to 168,101.94, 231,974.76 and 91,619.46 is: 126,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101.94 : 231,974.76 = 91,619.46 : x
  2. Step 2: Convert to fraction form
    168,101.94/231,974.76 = 91,619.46/x
  3. Step 3: Cross multiply
    168,101.94x = 231,974.76 × 91,619.46
  4. Step 4: Simplify right side
    168,101.94x = 21,253,402,244.83
  5. Step 5: Solve for x
    x = 21,253,402,244.83/168,101.94
  6. Step 6: Final answer
    x = 126,431.63

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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.