Home / 181,229.72-250,090.09-100,662.41

Finding the Fourth Proportional to 181,229.72, 250,090.09 and 100,662.41

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Solution

The fourth proportional to 181,229.72, 250,090.09 and 100,662.41 is: 138,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.72 : 250,090.09 = 100,662.41 : x
  2. Step 2: Convert to fraction form
    181,229.72/250,090.09 = 100,662.41/x
  3. Step 3: Cross multiply
    181,229.72x = 250,090.09 × 100,662.41
  4. Step 4: Simplify right side
    181,229.72x = 25,174,670,143.33
  5. Step 5: Solve for x
    x = 25,174,670,143.33/181,229.72
  6. Step 6: Final answer
    x = 138,910.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.