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Finding the Fourth Proportional to 93,217, 139,791.42 and 34,035.16

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Solution

The fourth proportional to 93,217, 139,791.42 and 34,035.16 is: 51,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,217 : 139,791.42 = 34,035.16 : x
  2. Step 2: Convert to fraction form
    93,217/139,791.42 = 34,035.16/x
  3. Step 3: Cross multiply
    93,217x = 139,791.42 × 34,035.16
  4. Step 4: Simplify right side
    93,217x = 4,757,823,346.33
  5. Step 5: Solve for x
    x = 4,757,823,346.33/93,217
  6. Step 6: Final answer
    x = 51,040.30

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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.