Home / 181,299.76-250,201.45-100,727.29

Finding the Fourth Proportional to 181,299.76, 250,201.45 and 100,727.29

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Solution

The fourth proportional to 181,299.76, 250,201.45 and 100,727.29 is: 139,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,299.76 : 250,201.45 = 100,727.29 : x
  2. Step 2: Convert to fraction form
    181,299.76/250,201.45 = 100,727.29/x
  3. Step 3: Cross multiply
    181,299.76x = 250,201.45 × 100,727.29
  4. Step 4: Simplify right side
    181,299.76x = 25,202,113,310.01
  5. Step 5: Solve for x
    x = 25,202,113,310.01/181,299.76
  6. Step 6: Final answer
    x = 139,007.98

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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.