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Finding the Fourth Proportional to 110,716.56, 165,972.51 and 44,140.50

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Solution

The fourth proportional to 110,716.56, 165,972.51 and 44,140.50 is: 66,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.56 : 165,972.51 = 44,140.50 : x
  2. Step 2: Convert to fraction form
    110,716.56/165,972.51 = 44,140.50/x
  3. Step 3: Cross multiply
    110,716.56x = 165,972.51 × 44,140.50
  4. Step 4: Simplify right side
    110,716.56x = 7,326,109,577.66
  5. Step 5: Solve for x
    x = 7,326,109,577.66/110,716.56
  6. Step 6: Final answer
    x = 66,169.95

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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.