Home / 220,868.56-304,791.91-122,751.46

Finding the Fourth Proportional to 220,868.56, 304,791.91 and 122,751.46

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Solution

The fourth proportional to 220,868.56, 304,791.91 and 122,751.46 is: 169,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,868.56 : 304,791.91 = 122,751.46 : x
  2. Step 2: Convert to fraction form
    220,868.56/304,791.91 = 122,751.46/x
  3. Step 3: Cross multiply
    220,868.56x = 304,791.91 × 122,751.46
  4. Step 4: Simplify right side
    220,868.56x = 37,413,651,948.69
  5. Step 5: Solve for x
    x = 37,413,651,948.69/220,868.56
  6. Step 6: Final answer
    x = 169,393.29

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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.