Home / 165,211.83-247,942.38-76,527.56

Finding the Fourth Proportional to 165,211.83, 247,942.38 and 76,527.56

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Solution

The fourth proportional to 165,211.83, 247,942.38 and 76,527.56 is: 114,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,211.83 : 247,942.38 = 76,527.56 : x
  2. Step 2: Convert to fraction form
    165,211.83/247,942.38 = 76,527.56/x
  3. Step 3: Cross multiply
    165,211.83x = 247,942.38 × 76,527.56
  4. Step 4: Simplify right side
    165,211.83x = 18,974,425,361.99
  5. Step 5: Solve for x
    x = 18,974,425,361.99/165,211.83
  6. Step 6: Final answer
    x = 114,849.07

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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.