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Finding the Fourth Proportional to 67,268.88, 100,903.30 and 31,241.68

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Solution

The fourth proportional to 67,268.88, 100,903.30 and 31,241.68 is: 46,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.88 : 100,903.30 = 31,241.68 : x
  2. Step 2: Convert to fraction form
    67,268.88/100,903.30 = 31,241.68/x
  3. Step 3: Cross multiply
    67,268.88x = 100,903.30 × 31,241.68
  4. Step 4: Simplify right side
    67,268.88x = 3,152,388,609.54
  5. Step 5: Solve for x
    x = 3,152,388,609.54/67,268.88
  6. Step 6: Final answer
    x = 46,862.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.