Home / 187,193.25-258,236.37-122,634.43

Finding the Fourth Proportional to 187,193.25, 258,236.37 and 122,634.43

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Solution

The fourth proportional to 187,193.25, 258,236.37 and 122,634.43 is: 169,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,193.25 : 258,236.37 = 122,634.43 : x
  2. Step 2: Convert to fraction form
    187,193.25/258,236.37 = 122,634.43/x
  3. Step 3: Cross multiply
    187,193.25x = 258,236.37 × 122,634.43
  4. Step 4: Simplify right side
    187,193.25x = 31,668,669,394.63
  5. Step 5: Solve for x
    x = 31,668,669,394.63/187,193.25
  6. Step 6: Final answer
    x = 169,176.34

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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.