Home / 141,352.16-195,067.20-77,691.44

Finding the Fourth Proportional to 141,352.16, 195,067.20 and 77,691.44

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Solution

The fourth proportional to 141,352.16, 195,067.20 and 77,691.44 is: 107,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,352.16 : 195,067.20 = 77,691.44 : x
  2. Step 2: Convert to fraction form
    141,352.16/195,067.20 = 77,691.44/x
  3. Step 3: Cross multiply
    141,352.16x = 195,067.20 × 77,691.44
  4. Step 4: Simplify right side
    141,352.16x = 15,155,051,664.77
  5. Step 5: Solve for x
    x = 15,155,051,664.77/141,352.16
  6. Step 6: Final answer
    x = 107,214.86

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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.