Home / 135,969.20-187,650.18-82,267.44

Finding the Fourth Proportional to 135,969.20, 187,650.18 and 82,267.44

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Solution

The fourth proportional to 135,969.20, 187,650.18 and 82,267.44 is: 113,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,969.20 : 187,650.18 = 82,267.44 : x
  2. Step 2: Convert to fraction form
    135,969.20/187,650.18 = 82,267.44/x
  3. Step 3: Cross multiply
    135,969.20x = 187,650.18 × 82,267.44
  4. Step 4: Simplify right side
    135,969.20x = 15,437,499,924.14
  5. Step 5: Solve for x
    x = 15,437,499,924.14/135,969.20
  6. Step 6: Final answer
    x = 113,536.74

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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.