Home / 141,906.36-195,829.62-78,242.82

Finding the Fourth Proportional to 141,906.36, 195,829.62 and 78,242.82

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Solution

The fourth proportional to 141,906.36, 195,829.62 and 78,242.82 is: 107,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.36 : 195,829.62 = 78,242.82 : x
  2. Step 2: Convert to fraction form
    141,906.36/195,829.62 = 78,242.82/x
  3. Step 3: Cross multiply
    141,906.36x = 195,829.62 × 78,242.82
  4. Step 4: Simplify right side
    141,906.36x = 15,322,261,708.33
  5. Step 5: Solve for x
    x = 15,322,261,708.33/141,906.36
  6. Step 6: Final answer
    x = 107,974.45

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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.