Home / 133,237.39-199,757.26-80,634.37

Finding the Fourth Proportional to 133,237.39, 199,757.26 and 80,634.37

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Solution

The fourth proportional to 133,237.39, 199,757.26 and 80,634.37 is: 120,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.39 : 199,757.26 = 80,634.37 : x
  2. Step 2: Convert to fraction form
    133,237.39/199,757.26 = 80,634.37/x
  3. Step 3: Cross multiply
    133,237.39x = 199,757.26 × 80,634.37
  4. Step 4: Simplify right side
    133,237.39x = 16,107,300,813.03
  5. Step 5: Solve for x
    x = 16,107,300,813.03/133,237.39
  6. Step 6: Final answer
    x = 120,891.75

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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.