Home / 112,791.33-169,002.42-68,283.18

Finding the Fourth Proportional to 112,791.33, 169,002.42 and 68,283.18

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Solution

The fourth proportional to 112,791.33, 169,002.42 and 68,283.18 is: 102,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,791.33 : 169,002.42 = 68,283.18 : x
  2. Step 2: Convert to fraction form
    112,791.33/169,002.42 = 68,283.18/x
  3. Step 3: Cross multiply
    112,791.33x = 169,002.42 × 68,283.18
  4. Step 4: Simplify right side
    112,791.33x = 11,540,021,820.28
  5. Step 5: Solve for x
    x = 11,540,021,820.28/112,791.33
  6. Step 6: Final answer
    x = 102,313.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.