Home / 135,892.14-187,500.96-82,176.03

Finding the Fourth Proportional to 135,892.14, 187,500.96 and 82,176.03

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Solution

The fourth proportional to 135,892.14, 187,500.96 and 82,176.03 is: 113,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,892.14 : 187,500.96 = 82,176.03 : x
  2. Step 2: Convert to fraction form
    135,892.14/187,500.96 = 82,176.03/x
  3. Step 3: Cross multiply
    135,892.14x = 187,500.96 × 82,176.03
  4. Step 4: Simplify right side
    135,892.14x = 15,408,084,513.99
  5. Step 5: Solve for x
    x = 15,408,084,513.99/135,892.14
  6. Step 6: Final answer
    x = 113,384.66

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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.