Home / 135,174.90-202,467.03-68,500.56

Finding the Fourth Proportional to 135,174.90, 202,467.03 and 68,500.56

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Solution

The fourth proportional to 135,174.90, 202,467.03 and 68,500.56 is: 102,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,174.90 : 202,467.03 = 68,500.56 : x
  2. Step 2: Convert to fraction form
    135,174.90/202,467.03 = 68,500.56/x
  3. Step 3: Cross multiply
    135,174.90x = 202,467.03 × 68,500.56
  4. Step 4: Simplify right side
    135,174.90x = 13,869,104,936.54
  5. Step 5: Solve for x
    x = 13,869,104,936.54/135,174.90
  6. Step 6: Final answer
    x = 102,601.19

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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.