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Finding the Fourth Proportional to 100,559.26, 150,713.14 and 50,651.92

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Solution

The fourth proportional to 100,559.26, 150,713.14 and 50,651.92 is: 75,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,559.26 : 150,713.14 = 50,651.92 : x
  2. Step 2: Convert to fraction form
    100,559.26/150,713.14 = 50,651.92/x
  3. Step 3: Cross multiply
    100,559.26x = 150,713.14 × 50,651.92
  4. Step 4: Simplify right side
    100,559.26x = 7,633,909,910.23
  5. Step 5: Solve for x
    x = 7,633,909,910.23/100,559.26
  6. Step 6: Final answer
    x = 75,914.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.