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Finding the Fourth Proportional to 192,862.44, 289,480.56 and 93,092.76

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Solution

The fourth proportional to 192,862.44, 289,480.56 and 93,092.76 is: 139,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,862.44 : 289,480.56 = 93,092.76 : x
  2. Step 2: Convert to fraction form
    192,862.44/289,480.56 = 93,092.76/x
  3. Step 3: Cross multiply
    192,862.44x = 289,480.56 × 93,092.76
  4. Step 4: Simplify right side
    192,862.44x = 26,948,544,296.75
  5. Step 5: Solve for x
    x = 26,948,544,296.75/192,862.44
  6. Step 6: Final answer
    x = 139,729.35

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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.