Home / 206,115.24-308,933.10-168,738.60

Finding the Fourth Proportional to 206,115.24, 308,933.10 and 168,738.60

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Solution

The fourth proportional to 206,115.24, 308,933.10 and 168,738.60 is: 252,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,115.24 : 308,933.10 = 168,738.60 : x
  2. Step 2: Convert to fraction form
    206,115.24/308,933.10 = 168,738.60/x
  3. Step 3: Cross multiply
    206,115.24x = 308,933.10 × 168,738.60
  4. Step 4: Simplify right side
    206,115.24x = 52,128,938,787.66
  5. Step 5: Solve for x
    x = 52,128,938,787.66/206,115.24
  6. Step 6: Final answer
    x = 252,911.62

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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.