Home / 252,173.25-347,999.09-138,998.43

Finding the Fourth Proportional to 252,173.25, 347,999.09 and 138,998.43

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Solution

The fourth proportional to 252,173.25, 347,999.09 and 138,998.43 is: 191,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,173.25 : 347,999.09 = 138,998.43 : x
  2. Step 2: Convert to fraction form
    252,173.25/347,999.09 = 138,998.43/x
  3. Step 3: Cross multiply
    252,173.25x = 347,999.09 × 138,998.43
  4. Step 4: Simplify right side
    252,173.25x = 48,371,326,456.44
  5. Step 5: Solve for x
    x = 48,371,326,456.44/252,173.25
  6. Step 6: Final answer
    x = 191,817.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.