Home / 168,982.08-253,236.24-131,370

Finding the Fourth Proportional to 168,982.08, 253,236.24 and 131,370

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Solution

The fourth proportional to 168,982.08, 253,236.24 and 131,370 is: 196,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,982.08 : 253,236.24 = 131,370 : x
  2. Step 2: Convert to fraction form
    168,982.08/253,236.24 = 131,370/x
  3. Step 3: Cross multiply
    168,982.08x = 253,236.24 × 131,370
  4. Step 4: Simplify right side
    168,982.08x = 33,267,644,848.80
  5. Step 5: Solve for x
    x = 33,267,644,848.80/168,982.08
  6. Step 6: Final answer
    x = 196,870.84

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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.