Home / 181,311.11-250,207.48-100,736.87

Finding the Fourth Proportional to 181,311.11, 250,207.48 and 100,736.87

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Solution

The fourth proportional to 181,311.11, 250,207.48 and 100,736.87 is: 139,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,311.11 : 250,207.48 = 100,736.87 : x
  2. Step 2: Convert to fraction form
    181,311.11/250,207.48 = 100,736.87/x
  3. Step 3: Cross multiply
    181,311.11x = 250,207.48 × 100,736.87
  4. Step 4: Simplify right side
    181,311.11x = 25,205,117,260.67
  5. Step 5: Solve for x
    x = 25,205,117,260.67/181,311.11
  6. Step 6: Final answer
    x = 139,015.85

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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.