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Finding the Fourth Proportional to 93,997, 140,999.34 and 23,878.12

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Solution

The fourth proportional to 93,997, 140,999.34 and 23,878.12 is: 35,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,997 : 140,999.34 = 23,878.12 : x
  2. Step 2: Convert to fraction form
    93,997/140,999.34 = 23,878.12/x
  3. Step 3: Cross multiply
    93,997x = 140,999.34 × 23,878.12
  4. Step 4: Simplify right side
    93,997x = 3,366,799,160.44
  5. Step 5: Solve for x
    x = 3,366,799,160.44/93,997
  6. Step 6: Final answer
    x = 35,818.16

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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.