Home / 165,542.78-228,379.37-104,180.28

Finding the Fourth Proportional to 165,542.78, 228,379.37 and 104,180.28

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Solution

The fourth proportional to 165,542.78, 228,379.37 and 104,180.28 is: 143,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,542.78 : 228,379.37 = 104,180.28 : x
  2. Step 2: Convert to fraction form
    165,542.78/228,379.37 = 104,180.28/x
  3. Step 3: Cross multiply
    165,542.78x = 228,379.37 × 104,180.28
  4. Step 4: Simplify right side
    165,542.78x = 23,792,625,335.50
  5. Step 5: Solve for x
    x = 23,792,625,335.50/165,542.78
  6. Step 6: Final answer
    x = 143,724.93

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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.