Home / 217,605.62-326,170.35-93,020.66

Finding the Fourth Proportional to 217,605.62, 326,170.35 and 93,020.66

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Solution

The fourth proportional to 217,605.62, 326,170.35 and 93,020.66 is: 139,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,605.62 : 326,170.35 = 93,020.66 : x
  2. Step 2: Convert to fraction form
    217,605.62/326,170.35 = 93,020.66/x
  3. Step 3: Cross multiply
    217,605.62x = 326,170.35 × 93,020.66
  4. Step 4: Simplify right side
    217,605.62x = 30,340,581,229.43
  5. Step 5: Solve for x
    x = 30,340,581,229.43/217,605.62
  6. Step 6: Final answer
    x = 139,429.22

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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.