Home / 82,265.84-123,383.19-40,103.57

Finding the Fourth Proportional to 82,265.84, 123,383.19 and 40,103.57

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Solution

The fourth proportional to 82,265.84, 123,383.19 and 40,103.57 is: 60,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,265.84 : 123,383.19 = 40,103.57 : x
  2. Step 2: Convert to fraction form
    82,265.84/123,383.19 = 40,103.57/x
  3. Step 3: Cross multiply
    82,265.84x = 123,383.19 × 40,103.57
  4. Step 4: Simplify right side
    82,265.84x = 4,948,106,396.99
  5. Step 5: Solve for x
    x = 4,948,106,396.99/82,265.84
  6. Step 6: Final answer
    x = 60,147.76

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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.