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Finding the Fourth Proportional to 93,940.60, 140,911.20 and 22,863.25

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Solution

The fourth proportional to 93,940.60, 140,911.20 and 22,863.25 is: 34,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.60 : 140,911.20 = 22,863.25 : x
  2. Step 2: Convert to fraction form
    93,940.60/140,911.20 = 22,863.25/x
  3. Step 3: Cross multiply
    93,940.60x = 140,911.20 × 22,863.25
  4. Step 4: Simplify right side
    93,940.60x = 3,221,687,993.40
  5. Step 5: Solve for x
    x = 3,221,687,993.40/93,940.60
  6. Step 6: Final answer
    x = 34,294.95

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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.