Home / 204,556.65-306,909-104,763.84

Finding the Fourth Proportional to 204,556.65, 306,909 and 104,763.84

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Solution

The fourth proportional to 204,556.65, 306,909 and 104,763.84 is: 157,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,556.65 : 306,909 = 104,763.84 : x
  2. Step 2: Convert to fraction form
    204,556.65/306,909 = 104,763.84/x
  3. Step 3: Cross multiply
    204,556.65x = 306,909 × 104,763.84
  4. Step 4: Simplify right side
    204,556.65x = 32,152,965,370.56
  5. Step 5: Solve for x
    x = 32,152,965,370.56/204,556.65
  6. Step 6: Final answer
    x = 157,183.67

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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.