Home / 172,968.33-259,463.43-73,115.38

Finding the Fourth Proportional to 172,968.33, 259,463.43 and 73,115.38

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Solution

The fourth proportional to 172,968.33, 259,463.43 and 73,115.38 is: 109,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,968.33 : 259,463.43 = 73,115.38 : x
  2. Step 2: Convert to fraction form
    172,968.33/259,463.43 = 73,115.38/x
  3. Step 3: Cross multiply
    172,968.33x = 259,463.43 × 73,115.38
  4. Step 4: Simplify right side
    172,968.33x = 18,970,767,280.55
  5. Step 5: Solve for x
    x = 18,970,767,280.55/172,968.33
  6. Step 6: Final answer
    x = 109,677.69

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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.