Home / 203,731.25-305,896.77-113,949.86

Finding the Fourth Proportional to 203,731.25, 305,896.77 and 113,949.86

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Solution

The fourth proportional to 203,731.25, 305,896.77 and 113,949.86 is: 171,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,731.25 : 305,896.77 = 113,949.86 : x
  2. Step 2: Convert to fraction form
    203,731.25/305,896.77 = 113,949.86/x
  3. Step 3: Cross multiply
    203,731.25x = 305,896.77 × 113,949.86
  4. Step 4: Simplify right side
    203,731.25x = 34,856,892,586.47
  5. Step 5: Solve for x
    x = 34,856,892,586.47/203,731.25
  6. Step 6: Final answer
    x = 171,092.52

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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.