Home / 171,726.80-236,765.21-122,726.97

Finding the Fourth Proportional to 171,726.80, 236,765.21 and 122,726.97

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Solution

The fourth proportional to 171,726.80, 236,765.21 and 122,726.97 is: 169,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.80 : 236,765.21 = 122,726.97 : x
  2. Step 2: Convert to fraction form
    171,726.80/236,765.21 = 122,726.97/x
  3. Step 3: Cross multiply
    171,726.80x = 236,765.21 × 122,726.97
  4. Step 4: Simplify right side
    171,726.80x = 29,057,476,211.08
  5. Step 5: Solve for x
    x = 29,057,476,211.08/171,726.80
  6. Step 6: Final answer
    x = 169,207.58

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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.