Home / 102,819.40-154,245.30-32,705.80

Finding the Fourth Proportional to 102,819.40, 154,245.30 and 32,705.80

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Solution

The fourth proportional to 102,819.40, 154,245.30 and 32,705.80 is: 49,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,819.40 : 154,245.30 = 32,705.80 : x
  2. Step 2: Convert to fraction form
    102,819.40/154,245.30 = 32,705.80/x
  3. Step 3: Cross multiply
    102,819.40x = 154,245.30 × 32,705.80
  4. Step 4: Simplify right side
    102,819.40x = 5,044,715,932.74
  5. Step 5: Solve for x
    x = 5,044,715,932.74/102,819.40
  6. Step 6: Final answer
    x = 49,063.85

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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.