Home / 141,487.88-195,249.16-77,825.66

Finding the Fourth Proportional to 141,487.88, 195,249.16 and 77,825.66

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Solution

The fourth proportional to 141,487.88, 195,249.16 and 77,825.66 is: 107,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.88 : 195,249.16 = 77,825.66 : x
  2. Step 2: Convert to fraction form
    141,487.88/195,249.16 = 77,825.66/x
  3. Step 3: Cross multiply
    141,487.88x = 195,249.16 × 77,825.66
  4. Step 4: Simplify right side
    141,487.88x = 15,195,394,741.45
  5. Step 5: Solve for x
    x = 15,195,394,741.45/141,487.88
  6. Step 6: Final answer
    x = 107,397.15

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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.