Home / 221,425.14-332,190.42-71,665.44

Finding the Fourth Proportional to 221,425.14, 332,190.42 and 71,665.44

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Solution

The fourth proportional to 221,425.14, 332,190.42 and 71,665.44 is: 107,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,425.14 : 332,190.42 = 71,665.44 : x
  2. Step 2: Convert to fraction form
    221,425.14/332,190.42 = 71,665.44/x
  3. Step 3: Cross multiply
    221,425.14x = 332,190.42 × 71,665.44
  4. Step 4: Simplify right side
    221,425.14x = 23,806,572,613.08
  5. Step 5: Solve for x
    x = 23,806,572,613.08/221,425.14
  6. Step 6: Final answer
    x = 107,515.22

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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.