Home / 186,022.97-279,028.27-80,842.04

Finding the Fourth Proportional to 186,022.97, 279,028.27 and 80,842.04

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Solution

The fourth proportional to 186,022.97, 279,028.27 and 80,842.04 is: 121,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.97 : 279,028.27 = 80,842.04 : x
  2. Step 2: Convert to fraction form
    186,022.97/279,028.27 = 80,842.04/x
  3. Step 3: Cross multiply
    186,022.97x = 279,028.27 × 80,842.04
  4. Step 4: Simplify right side
    186,022.97x = 22,557,214,564.47
  5. Step 5: Solve for x
    x = 22,557,214,564.47/186,022.97
  6. Step 6: Final answer
    x = 121,260.37

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1.5x scale

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.