Home / 168,084.20-231,956.22-91,603.31

Finding the Fourth Proportional to 168,084.20, 231,956.22 and 91,603.31

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Solution

The fourth proportional to 168,084.20, 231,956.22 and 91,603.31 is: 126,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,084.20 : 231,956.22 = 91,603.31 : x
  2. Step 2: Convert to fraction form
    168,084.20/231,956.22 = 91,603.31/x
  3. Step 3: Cross multiply
    168,084.20x = 231,956.22 × 91,603.31
  4. Step 4: Simplify right side
    168,084.20x = 21,247,956,367.31
  5. Step 5: Solve for x
    x = 21,247,956,367.31/168,084.20
  6. Step 6: Final answer
    x = 126,412.58

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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.