Home / 186,696.60-279,932.22-74,394.18

Finding the Fourth Proportional to 186,696.60, 279,932.22 and 74,394.18

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Solution

The fourth proportional to 186,696.60, 279,932.22 and 74,394.18 is: 111,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,696.60 : 279,932.22 = 74,394.18 : x
  2. Step 2: Convert to fraction form
    186,696.60/279,932.22 = 74,394.18/x
  3. Step 3: Cross multiply
    186,696.60x = 279,932.22 × 74,394.18
  4. Step 4: Simplify right side
    186,696.60x = 20,825,327,962.48
  5. Step 5: Solve for x
    x = 20,825,327,962.48/186,696.60
  6. Step 6: Final answer
    x = 111,546.37

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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.