Home / 109,982.40-164,994.12-50,778.96

Finding the Fourth Proportional to 109,982.40, 164,994.12 and 50,778.96

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Solution

The fourth proportional to 109,982.40, 164,994.12 and 50,778.96 is: 76,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.40 : 164,994.12 = 50,778.96 : x
  2. Step 2: Convert to fraction form
    109,982.40/164,994.12 = 50,778.96/x
  3. Step 3: Cross multiply
    109,982.40x = 164,994.12 × 50,778.96
  4. Step 4: Simplify right side
    109,982.40x = 8,378,229,819.72
  5. Step 5: Solve for x
    x = 8,378,229,819.72/109,982.40
  6. Step 6: Final answer
    x = 76,177.91

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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.