Home / 103,631.96-155,447.94-68,563.41

Finding the Fourth Proportional to 103,631.96, 155,447.94 and 68,563.41

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Solution

The fourth proportional to 103,631.96, 155,447.94 and 68,563.41 is: 102,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.96 : 155,447.94 = 68,563.41 : x
  2. Step 2: Convert to fraction form
    103,631.96/155,447.94 = 68,563.41/x
  3. Step 3: Cross multiply
    103,631.96x = 155,447.94 × 68,563.41
  4. Step 4: Simplify right side
    103,631.96x = 10,658,040,843.88
  5. Step 5: Solve for x
    x = 10,658,040,843.88/103,631.96
  6. Step 6: Final answer
    x = 102,845.12

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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.