Home / 135,933.37-203,936.80-96,739.29

Finding the Fourth Proportional to 135,933.37, 203,936.80 and 96,739.29

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Solution

The fourth proportional to 135,933.37, 203,936.80 and 96,739.29 is: 145,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,933.37 : 203,936.80 = 96,739.29 : x
  2. Step 2: Convert to fraction form
    135,933.37/203,936.80 = 96,739.29/x
  3. Step 3: Cross multiply
    135,933.37x = 203,936.80 × 96,739.29
  4. Step 4: Simplify right side
    135,933.37x = 19,728,701,236.87
  5. Step 5: Solve for x
    x = 19,728,701,236.87/135,933.37
  6. Step 6: Final answer
    x = 145,135.09

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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.