Home / 181,388.43-272,083.30-55,029.78

Finding the Fourth Proportional to 181,388.43, 272,083.30 and 55,029.78

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Solution

The fourth proportional to 181,388.43, 272,083.30 and 55,029.78 is: 82,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,388.43 : 272,083.30 = 55,029.78 : x
  2. Step 2: Convert to fraction form
    181,388.43/272,083.30 = 55,029.78/x
  3. Step 3: Cross multiply
    181,388.43x = 272,083.30 × 55,029.78
  4. Step 4: Simplify right side
    181,388.43x = 14,972,684,003.10
  5. Step 5: Solve for x
    x = 14,972,684,003.10/181,388.43
  6. Step 6: Final answer
    x = 82,544.87

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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.