Home / 279,694.20-419,289.39-102,076.59

Finding the Fourth Proportional to 279,694.20, 419,289.39 and 102,076.59

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Solution

The fourth proportional to 279,694.20, 419,289.39 and 102,076.59 is: 153,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,694.20 : 419,289.39 = 102,076.59 : x
  2. Step 2: Convert to fraction form
    279,694.20/419,289.39 = 102,076.59/x
  3. Step 3: Cross multiply
    279,694.20x = 419,289.39 × 102,076.59
  4. Step 4: Simplify right side
    279,694.20x = 42,799,631,154.38
  5. Step 5: Solve for x
    x = 42,799,631,154.38/279,694.20
  6. Step 6: Final answer
    x = 153,022.95

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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.