Home / 133,945.43-200,918.13-104,385.38

Finding the Fourth Proportional to 133,945.43, 200,918.13 and 104,385.38

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Solution

The fourth proportional to 133,945.43, 200,918.13 and 104,385.38 is: 156,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.43 : 200,918.13 = 104,385.38 : x
  2. Step 2: Convert to fraction form
    133,945.43/200,918.13 = 104,385.38/x
  3. Step 3: Cross multiply
    133,945.43x = 200,918.13 × 104,385.38
  4. Step 4: Simplify right side
    133,945.43x = 20,972,915,348.94
  5. Step 5: Solve for x
    x = 20,972,915,348.94/133,945.43
  6. Step 6: Final answer
    x = 156,578.06

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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.