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Finding the Fourth Proportional to 93,294.73, 139,963.97 and 37,138.27

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Solution

The fourth proportional to 93,294.73, 139,963.97 and 37,138.27 is: 55,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.73 : 139,963.97 = 37,138.27 : x
  2. Step 2: Convert to fraction form
    93,294.73/139,963.97 = 37,138.27/x
  3. Step 3: Cross multiply
    93,294.73x = 139,963.97 × 37,138.27
  4. Step 4: Simplify right side
    93,294.73x = 5,198,019,708.13
  5. Step 5: Solve for x
    x = 5,198,019,708.13/93,294.73
  6. Step 6: Final answer
    x = 55,716.11

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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.