Home / 186,072.92-279,034.25-72,160.76

Finding the Fourth Proportional to 186,072.92, 279,034.25 and 72,160.76

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Solution

The fourth proportional to 186,072.92, 279,034.25 and 72,160.76 is: 108,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072.92 : 279,034.25 = 72,160.76 : x
  2. Step 2: Convert to fraction form
    186,072.92/279,034.25 = 72,160.76/x
  3. Step 3: Cross multiply
    186,072.92x = 279,034.25 × 72,160.76
  4. Step 4: Simplify right side
    186,072.92x = 20,135,321,790.06
  5. Step 5: Solve for x
    x = 20,135,321,790.06/186,072.92
  6. Step 6: Final answer
    x = 108,212.00

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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.