Home / 209,241.84-313,856.94-76,124.54

Finding the Fourth Proportional to 209,241.84, 313,856.94 and 76,124.54

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Solution

The fourth proportional to 209,241.84, 313,856.94 and 76,124.54 is: 114,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.84 : 313,856.94 = 76,124.54 : x
  2. Step 2: Convert to fraction form
    209,241.84/313,856.94 = 76,124.54/x
  3. Step 3: Cross multiply
    209,241.84x = 313,856.94 × 76,124.54
  4. Step 4: Simplify right side
    209,241.84x = 23,892,215,183.31
  5. Step 5: Solve for x
    x = 23,892,215,183.31/209,241.84
  6. Step 6: Final answer
    x = 114,184.69

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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.