Home / 217,736.70-326,605.08-67,989.83

Finding the Fourth Proportional to 217,736.70, 326,605.08 and 67,989.83

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Solution

The fourth proportional to 217,736.70, 326,605.08 and 67,989.83 is: 101,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,736.70 : 326,605.08 = 67,989.83 : x
  2. Step 2: Convert to fraction form
    217,736.70/326,605.08 = 67,989.83/x
  3. Step 3: Cross multiply
    217,736.70x = 326,605.08 × 67,989.83
  4. Step 4: Simplify right side
    217,736.70x = 22,205,822,233.31
  5. Step 5: Solve for x
    x = 22,205,822,233.31/217,736.70
  6. Step 6: Final answer
    x = 101,984.75

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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.