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Finding the Fourth Proportional to 93,234.16, 139,892.75 and 48,850.54

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Solution

The fourth proportional to 93,234.16, 139,892.75 and 48,850.54 is: 73,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,234.16 : 139,892.75 = 48,850.54 : x
  2. Step 2: Convert to fraction form
    93,234.16/139,892.75 = 48,850.54/x
  3. Step 3: Cross multiply
    93,234.16x = 139,892.75 × 48,850.54
  4. Step 4: Simplify right side
    93,234.16x = 6,833,836,618.29
  5. Step 5: Solve for x
    x = 6,833,836,618.29/93,234.16
  6. Step 6: Final answer
    x = 73,297.56

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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.