Home / 141,963.36-195,910.48-78,299.52

Finding the Fourth Proportional to 141,963.36, 195,910.48 and 78,299.52

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Solution

The fourth proportional to 141,963.36, 195,910.48 and 78,299.52 is: 108,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963.36 : 195,910.48 = 78,299.52 : x
  2. Step 2: Convert to fraction form
    141,963.36/195,910.48 = 78,299.52/x
  3. Step 3: Cross multiply
    141,963.36x = 195,910.48 × 78,299.52
  4. Step 4: Simplify right side
    141,963.36x = 15,339,696,546.97
  5. Step 5: Solve for x
    x = 15,339,696,546.97/141,963.36
  6. Step 6: Final answer
    x = 108,053.91

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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.