Home / 194,819.68-268,848.54-108,780

Finding the Fourth Proportional to 194,819.68, 268,848.54 and 108,780

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Solution

The fourth proportional to 194,819.68, 268,848.54 and 108,780 is: 150,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,819.68 : 268,848.54 = 108,780 : x
  2. Step 2: Convert to fraction form
    194,819.68/268,848.54 = 108,780/x
  3. Step 3: Cross multiply
    194,819.68x = 268,848.54 × 108,780
  4. Step 4: Simplify right side
    194,819.68x = 29,245,344,181.20
  5. Step 5: Solve for x
    x = 29,245,344,181.20/194,819.68
  6. Step 6: Final answer
    x = 150,114.94

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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.