Home / 165,116.28-227,861.73-89,664.78

Finding the Fourth Proportional to 165,116.28, 227,861.73 and 89,664.78

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Solution

The fourth proportional to 165,116.28, 227,861.73 and 89,664.78 is: 123,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,116.28 : 227,861.73 = 89,664.78 : x
  2. Step 2: Convert to fraction form
    165,116.28/227,861.73 = 89,664.78/x
  3. Step 3: Cross multiply
    165,116.28x = 227,861.73 × 89,664.78
  4. Step 4: Simplify right side
    165,116.28x = 20,431,171,890.87
  5. Step 5: Solve for x
    x = 20,431,171,890.87/165,116.28
  6. Step 6: Final answer
    x = 123,738.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.