Home / 181,255.62-250,137.30-100,679.28

Finding the Fourth Proportional to 181,255.62, 250,137.30 and 100,679.28

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Solution

The fourth proportional to 181,255.62, 250,137.30 and 100,679.28 is: 138,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,255.62 : 250,137.30 = 100,679.28 : x
  2. Step 2: Convert to fraction form
    181,255.62/250,137.30 = 100,679.28/x
  3. Step 3: Cross multiply
    181,255.62x = 250,137.30 × 100,679.28
  4. Step 4: Simplify right side
    181,255.62x = 25,183,643,265.14
  5. Step 5: Solve for x
    x = 25,183,643,265.14/181,255.62
  6. Step 6: Final answer
    x = 138,939.93

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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.