Home / 245,912.11-368,669.26-103,665.54

Finding the Fourth Proportional to 245,912.11, 368,669.26 and 103,665.54

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Solution

The fourth proportional to 245,912.11, 368,669.26 and 103,665.54 is: 155,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,912.11 : 368,669.26 = 103,665.54 : x
  2. Step 2: Convert to fraction form
    245,912.11/368,669.26 = 103,665.54/x
  3. Step 3: Cross multiply
    245,912.11x = 368,669.26 × 103,665.54
  4. Step 4: Simplify right side
    245,912.11x = 38,218,297,919.30
  5. Step 5: Solve for x
    x = 38,218,297,919.30/245,912.11
  6. Step 6: Final answer
    x = 155,414.46

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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.