Home / 141,717.36-195,578.82-78,055.14

Finding the Fourth Proportional to 141,717.36, 195,578.82 and 78,055.14

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Solution

The fourth proportional to 141,717.36, 195,578.82 and 78,055.14 is: 107,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.36 : 195,578.82 = 78,055.14 : x
  2. Step 2: Convert to fraction form
    141,717.36/195,578.82 = 78,055.14/x
  3. Step 3: Cross multiply
    141,717.36x = 195,578.82 × 78,055.14
  4. Step 4: Simplify right side
    141,717.36x = 15,265,932,176.13
  5. Step 5: Solve for x
    x = 15,265,932,176.13/141,717.36
  6. Step 6: Final answer
    x = 107,720.97

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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.