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Finding the Fourth Proportional to 68,225.60, 102,268 and 36,994.88

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Solution

The fourth proportional to 68,225.60, 102,268 and 36,994.88 is: 55,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,225.60 : 102,268 = 36,994.88 : x
  2. Step 2: Convert to fraction form
    68,225.60/102,268 = 36,994.88/x
  3. Step 3: Cross multiply
    68,225.60x = 102,268 × 36,994.88
  4. Step 4: Simplify right side
    68,225.60x = 3,783,392,387.84
  5. Step 5: Solve for x
    x = 3,783,392,387.84/68,225.60
  6. Step 6: Final answer
    x = 55,454.15

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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.