Home / 135,669.57-203,429.82-107,768.31

Finding the Fourth Proportional to 135,669.57, 203,429.82 and 107,768.31

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Solution

The fourth proportional to 135,669.57, 203,429.82 and 107,768.31 is: 161,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,669.57 : 203,429.82 = 107,768.31 : x
  2. Step 2: Convert to fraction form
    135,669.57/203,429.82 = 107,768.31/x
  3. Step 3: Cross multiply
    135,669.57x = 203,429.82 × 107,768.31
  4. Step 4: Simplify right side
    135,669.57x = 21,923,287,905.00
  5. Step 5: Solve for x
    x = 21,923,287,905.00/135,669.57
  6. Step 6: Final answer
    x = 161,593.26

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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.