Home / 135,822.75-187,426.29-82,137.37

Finding the Fourth Proportional to 135,822.75, 187,426.29 and 82,137.37

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Solution

The fourth proportional to 135,822.75, 187,426.29 and 82,137.37 is: 113,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,822.75 : 187,426.29 = 82,137.37 : x
  2. Step 2: Convert to fraction form
    135,822.75/187,426.29 = 82,137.37/x
  3. Step 3: Cross multiply
    135,822.75x = 187,426.29 × 82,137.37
  4. Step 4: Simplify right side
    135,822.75x = 15,394,702,529.46
  5. Step 5: Solve for x
    x = 15,394,702,529.46/135,822.75
  6. Step 6: Final answer
    x = 113,344.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.