Home / 135,525.94-203,249.37-45,558.48

Finding the Fourth Proportional to 135,525.94, 203,249.37 and 45,558.48

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Solution

The fourth proportional to 135,525.94, 203,249.37 and 45,558.48 is: 68,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,525.94 : 203,249.37 = 45,558.48 : x
  2. Step 2: Convert to fraction form
    135,525.94/203,249.37 = 45,558.48/x
  3. Step 3: Cross multiply
    135,525.94x = 203,249.37 × 45,558.48
  4. Step 4: Simplify right side
    135,525.94x = 9,259,732,358.16
  5. Step 5: Solve for x
    x = 9,259,732,358.16/135,525.94
  6. Step 6: Final answer
    x = 68,324.43

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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.