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Finding the Fourth Proportional to 68,850, 103,268.52 and 22,103.28

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Solution

The fourth proportional to 68,850, 103,268.52 and 22,103.28 is: 33,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,850 : 103,268.52 = 22,103.28 : x
  2. Step 2: Convert to fraction form
    68,850/103,268.52 = 22,103.28/x
  3. Step 3: Cross multiply
    68,850x = 103,268.52 × 22,103.28
  4. Step 4: Simplify right side
    68,850x = 2,282,573,012.75
  5. Step 5: Solve for x
    x = 2,282,573,012.75/68,850
  6. Step 6: Final answer
    x = 33,152.84

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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.