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Finding the Fourth Proportional to 80,167.40, 110,623.04 and 44,356.48

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Solution

The fourth proportional to 80,167.40, 110,623.04 and 44,356.48 is: 61,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,167.40 : 110,623.04 = 44,356.48 : x
  2. Step 2: Convert to fraction form
    80,167.40/110,623.04 = 44,356.48/x
  3. Step 3: Cross multiply
    80,167.40x = 110,623.04 × 44,356.48
  4. Step 4: Simplify right side
    80,167.40x = 4,906,848,661.30
  5. Step 5: Solve for x
    x = 4,906,848,661.30/80,167.40
  6. Step 6: Final answer
    x = 61,207.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.