Home / 186,949.09-279,976.58-107,823.43

Finding the Fourth Proportional to 186,949.09, 279,976.58 and 107,823.43

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Solution

The fourth proportional to 186,949.09, 279,976.58 and 107,823.43 is: 161,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,949.09 : 279,976.58 = 107,823.43 : x
  2. Step 2: Convert to fraction form
    186,949.09/279,976.58 = 107,823.43/x
  3. Step 3: Cross multiply
    186,949.09x = 279,976.58 × 107,823.43
  4. Step 4: Simplify right side
    186,949.09x = 30,188,033,236.27
  5. Step 5: Solve for x
    x = 30,188,033,236.27/186,949.09
  6. Step 6: Final answer
    x = 161,477.30

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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.