Home / 104,945.76-144,820.71-57,197.97

Finding the Fourth Proportional to 104,945.76, 144,820.71 and 57,197.97

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Solution

The fourth proportional to 104,945.76, 144,820.71 and 57,197.97 is: 78,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.76 : 144,820.71 = 57,197.97 : x
  2. Step 2: Convert to fraction form
    104,945.76/144,820.71 = 57,197.97/x
  3. Step 3: Cross multiply
    104,945.76x = 144,820.71 × 57,197.97
  4. Step 4: Simplify right side
    104,945.76x = 8,283,450,625.96
  5. Step 5: Solve for x
    x = 8,283,450,625.96/104,945.76
  6. Step 6: Final answer
    x = 78,930.78

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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.