Home / 104,959.22-144,845.24-57,212.57

Finding the Fourth Proportional to 104,959.22, 144,845.24 and 57,212.57

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Solution

The fourth proportional to 104,959.22, 144,845.24 and 57,212.57 is: 78,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,959.22 : 144,845.24 = 57,212.57 : x
  2. Step 2: Convert to fraction form
    104,959.22/144,845.24 = 57,212.57/x
  3. Step 3: Cross multiply
    104,959.22x = 144,845.24 × 57,212.57
  4. Step 4: Simplify right side
    104,959.22x = 8,286,968,508.72
  5. Step 5: Solve for x
    x = 8,286,968,508.72/104,959.22
  6. Step 6: Final answer
    x = 78,954.18

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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.