Home / 141,519.20-195,296.48-77,855.63

Finding the Fourth Proportional to 141,519.20, 195,296.48 and 77,855.63

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Solution

The fourth proportional to 141,519.20, 195,296.48 and 77,855.63 is: 107,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.20 : 195,296.48 = 77,855.63 : x
  2. Step 2: Convert to fraction form
    141,519.20/195,296.48 = 77,855.63/x
  3. Step 3: Cross multiply
    141,519.20x = 195,296.48 × 77,855.63
  4. Step 4: Simplify right side
    141,519.20x = 15,204,929,121.42
  5. Step 5: Solve for x
    x = 15,204,929,121.42/141,519.20
  6. Step 6: Final answer
    x = 107,440.75

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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.