Home / 168,822.86-253,234.26-68,982.96

Finding the Fourth Proportional to 168,822.86, 253,234.26 and 68,982.96

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Solution

The fourth proportional to 168,822.86, 253,234.26 and 68,982.96 is: 103,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,822.86 : 253,234.26 = 68,982.96 : x
  2. Step 2: Convert to fraction form
    168,822.86/253,234.26 = 68,982.96/x
  3. Step 3: Cross multiply
    168,822.86x = 253,234.26 × 68,982.96
  4. Step 4: Simplify right side
    168,822.86x = 17,468,848,828.21
  5. Step 5: Solve for x
    x = 17,468,848,828.21/168,822.86
  6. Step 6: Final answer
    x = 103,474.43

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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.