Home / 141,823.44-195,716.35-78,161.25

Finding the Fourth Proportional to 141,823.44, 195,716.35 and 78,161.25

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Solution

The fourth proportional to 141,823.44, 195,716.35 and 78,161.25 is: 107,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.44 : 195,716.35 = 78,161.25 : x
  2. Step 2: Convert to fraction form
    141,823.44/195,716.35 = 78,161.25/x
  3. Step 3: Cross multiply
    141,823.44x = 195,716.35 × 78,161.25
  4. Step 4: Simplify right side
    141,823.44x = 15,297,435,393.08
  5. Step 5: Solve for x
    x = 15,297,435,393.08/141,823.44
  6. Step 6: Final answer
    x = 107,862.53

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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.