Home / 209,298.45-313,757.79-76,084.62

Finding the Fourth Proportional to 209,298.45, 313,757.79 and 76,084.62

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Solution

The fourth proportional to 209,298.45, 313,757.79 and 76,084.62 is: 114,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,298.45 : 313,757.79 = 76,084.62 : x
  2. Step 2: Convert to fraction form
    209,298.45/313,757.79 = 76,084.62/x
  3. Step 3: Cross multiply
    209,298.45x = 313,757.79 × 76,084.62
  4. Step 4: Simplify right side
    209,298.45x = 23,872,142,224.19
  5. Step 5: Solve for x
    x = 23,872,142,224.19/209,298.45
  6. Step 6: Final answer
    x = 114,057.90

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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.