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Finding the Fourth Proportional to 110,661.84, 166,003.08 and 44,085.84

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Solution

The fourth proportional to 110,661.84, 166,003.08 and 44,085.84 is: 66,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,661.84 : 166,003.08 = 44,085.84 : x
  2. Step 2: Convert to fraction form
    110,661.84/166,003.08 = 44,085.84/x
  3. Step 3: Cross multiply
    110,661.84x = 166,003.08 × 44,085.84
  4. Step 4: Simplify right side
    110,661.84x = 7,318,385,224.39
  5. Step 5: Solve for x
    x = 7,318,385,224.39/110,661.84
  6. Step 6: Final answer
    x = 66,132.87

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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.