Home / 186,286.74-279,273.37-81,026.43

Finding the Fourth Proportional to 186,286.74, 279,273.37 and 81,026.43

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Solution

The fourth proportional to 186,286.74, 279,273.37 and 81,026.43 is: 121,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,286.74 : 279,273.37 = 81,026.43 : x
  2. Step 2: Convert to fraction form
    186,286.74/279,273.37 = 81,026.43/x
  3. Step 3: Cross multiply
    186,286.74x = 279,273.37 × 81,026.43
  4. Step 4: Simplify right side
    186,286.74x = 22,628,524,165.17
  5. Step 5: Solve for x
    x = 22,628,524,165.17/186,286.74
  6. Step 6: Final answer
    x = 121,471.47

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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.