Home / 164,755.28-227,367.64-91,168.54

Finding the Fourth Proportional to 164,755.28, 227,367.64 and 91,168.54

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Solution

The fourth proportional to 164,755.28, 227,367.64 and 91,168.54 is: 125,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,755.28 : 227,367.64 = 91,168.54 : x
  2. Step 2: Convert to fraction form
    164,755.28/227,367.64 = 91,168.54/x
  3. Step 3: Cross multiply
    164,755.28x = 227,367.64 × 91,168.54
  4. Step 4: Simplify right side
    164,755.28x = 20,728,775,782.05
  5. Step 5: Solve for x
    x = 20,728,775,782.05/164,755.28
  6. Step 6: Final answer
    x = 125,815.55

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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.