Home / 143,283.96-197,736.66-79,624.44

Finding the Fourth Proportional to 143,283.96, 197,736.66 and 79,624.44

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Solution

The fourth proportional to 143,283.96, 197,736.66 and 79,624.44 is: 109,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,283.96 : 197,736.66 = 79,624.44 : x
  2. Step 2: Convert to fraction form
    143,283.96/197,736.66 = 79,624.44/x
  3. Step 3: Cross multiply
    143,283.96x = 197,736.66 × 79,624.44
  4. Step 4: Simplify right side
    143,283.96x = 15,744,670,819.97
  5. Step 5: Solve for x
    x = 15,744,670,819.97/143,283.96
  6. Step 6: Final answer
    x = 109,884.39

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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.