Home / 204,336.54-305,914.32-129,541.14

Finding the Fourth Proportional to 204,336.54, 305,914.32 and 129,541.14

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Solution

The fourth proportional to 204,336.54, 305,914.32 and 129,541.14 is: 193,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,336.54 : 305,914.32 = 129,541.14 : x
  2. Step 2: Convert to fraction form
    204,336.54/305,914.32 = 129,541.14/x
  3. Step 3: Cross multiply
    204,336.54x = 305,914.32 × 129,541.14
  4. Step 4: Simplify right side
    204,336.54x = 39,628,489,755.12
  5. Step 5: Solve for x
    x = 39,628,489,755.12/204,336.54
  6. Step 6: Final answer
    x = 193,937.36

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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.