Home / 159,619.82-239,487.03-68,396.94

Finding the Fourth Proportional to 159,619.82, 239,487.03 and 68,396.94

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Solution

The fourth proportional to 159,619.82, 239,487.03 and 68,396.94 is: 102,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,619.82 : 239,487.03 = 68,396.94 : x
  2. Step 2: Convert to fraction form
    159,619.82/239,487.03 = 68,396.94/x
  3. Step 3: Cross multiply
    159,619.82x = 239,487.03 × 68,396.94
  4. Step 4: Simplify right side
    159,619.82x = 16,380,180,021.69
  5. Step 5: Solve for x
    x = 16,380,180,021.69/159,619.82
  6. Step 6: Final answer
    x = 102,619.97

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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.