Home / 141,954.72-195,906.48-78,292.64

Finding the Fourth Proportional to 141,954.72, 195,906.48 and 78,292.64

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Solution

The fourth proportional to 141,954.72, 195,906.48 and 78,292.64 is: 108,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,954.72 : 195,906.48 = 78,292.64 : x
  2. Step 2: Convert to fraction form
    141,954.72/195,906.48 = 78,292.64/x
  3. Step 3: Cross multiply
    141,954.72x = 195,906.48 × 78,292.64
  4. Step 4: Simplify right side
    141,954.72x = 15,338,035,512.31
  5. Step 5: Solve for x
    x = 15,338,035,512.31/141,954.72
  6. Step 6: Final answer
    x = 108,048.79

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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.