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Finding the Fourth Proportional to 192,100.61, 288,188.28 and 73,763.26

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Solution

The fourth proportional to 192,100.61, 288,188.28 and 73,763.26 is: 110,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,100.61 : 288,188.28 = 73,763.26 : x
  2. Step 2: Convert to fraction form
    192,100.61/288,188.28 = 73,763.26/x
  3. Step 3: Cross multiply
    192,100.61x = 288,188.28 × 73,763.26
  4. Step 4: Simplify right side
    192,100.61x = 21,257,706,306.12
  5. Step 5: Solve for x
    x = 21,257,706,306.12/192,100.61
  6. Step 6: Final answer
    x = 110,659.23

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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.