Home / 68,236.51-102,340.65-18,304.74

Finding the Fourth Proportional to 68,236.51, 102,340.65 and 18,304.74

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Solution

The fourth proportional to 68,236.51, 102,340.65 and 18,304.74 is: 27,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,236.51 : 102,340.65 = 18,304.74 : x
  2. Step 2: Convert to fraction form
    68,236.51/102,340.65 = 18,304.74/x
  3. Step 3: Cross multiply
    68,236.51x = 102,340.65 × 18,304.74
  4. Step 4: Simplify right side
    68,236.51x = 1,873,318,989.68
  5. Step 5: Solve for x
    x = 1,873,318,989.68/68,236.51
  6. Step 6: Final answer
    x = 27,453.32

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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.