Home / 234,918.94-324,190.52-127,489.90

Finding the Fourth Proportional to 234,918.94, 324,190.52 and 127,489.90

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Solution

The fourth proportional to 234,918.94, 324,190.52 and 127,489.90 is: 175,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,918.94 : 324,190.52 = 127,489.90 : x
  2. Step 2: Convert to fraction form
    234,918.94/324,190.52 = 127,489.90/x
  3. Step 3: Cross multiply
    234,918.94x = 324,190.52 × 127,489.90
  4. Step 4: Simplify right side
    234,918.94x = 41,331,016,975.75
  5. Step 5: Solve for x
    x = 41,331,016,975.75/234,918.94
  6. Step 6: Final answer
    x = 175,937.36

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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.