Home / 209,162.58-313,747.92-68,922.42

Finding the Fourth Proportional to 209,162.58, 313,747.92 and 68,922.42

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Solution

The fourth proportional to 209,162.58, 313,747.92 and 68,922.42 is: 103,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162.58 : 313,747.92 = 68,922.42 : x
  2. Step 2: Convert to fraction form
    209,162.58/313,747.92 = 68,922.42/x
  3. Step 3: Cross multiply
    209,162.58x = 313,747.92 × 68,922.42
  4. Step 4: Simplify right side
    209,162.58x = 21,624,265,916.37
  5. Step 5: Solve for x
    x = 21,624,265,916.37/209,162.58
  6. Step 6: Final answer
    x = 103,384.96

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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.