Home / 135,406.39-203,142.03-41,912.14

Finding the Fourth Proportional to 135,406.39, 203,142.03 and 41,912.14

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Solution

The fourth proportional to 135,406.39, 203,142.03 and 41,912.14 is: 62,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,406.39 : 203,142.03 = 41,912.14 : x
  2. Step 2: Convert to fraction form
    135,406.39/203,142.03 = 41,912.14/x
  3. Step 3: Cross multiply
    135,406.39x = 203,142.03 × 41,912.14
  4. Step 4: Simplify right side
    135,406.39x = 8,514,117,201.24
  5. Step 5: Solve for x
    x = 8,514,117,201.24/135,406.39
  6. Step 6: Final answer
    x = 62,878.25

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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.