Home / 217,675.14-300,375.21-122,163.39

Finding the Fourth Proportional to 217,675.14, 300,375.21 and 122,163.39

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Solution

The fourth proportional to 217,675.14, 300,375.21 and 122,163.39 is: 168,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,675.14 : 300,375.21 = 122,163.39 : x
  2. Step 2: Convert to fraction form
    217,675.14/300,375.21 = 122,163.39/x
  3. Step 3: Cross multiply
    217,675.14x = 300,375.21 × 122,163.39
  4. Step 4: Simplify right side
    217,675.14x = 36,694,853,925.56
  5. Step 5: Solve for x
    x = 36,694,853,925.56/217,675.14
  6. Step 6: Final answer
    x = 168,576.23

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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.