Home / 203,505.96-305,441.89-108,817.07

Finding the Fourth Proportional to 203,505.96, 305,441.89 and 108,817.07

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Solution

The fourth proportional to 203,505.96, 305,441.89 and 108,817.07 is: 163,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,505.96 : 305,441.89 = 108,817.07 : x
  2. Step 2: Convert to fraction form
    203,505.96/305,441.89 = 108,817.07/x
  3. Step 3: Cross multiply
    203,505.96x = 305,441.89 × 108,817.07
  4. Step 4: Simplify right side
    203,505.96x = 33,237,292,016.62
  5. Step 5: Solve for x
    x = 33,237,292,016.62/203,505.96
  6. Step 6: Final answer
    x = 163,323.44

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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.