Home / 165,380.49-228,218.19-93,765.36

Finding the Fourth Proportional to 165,380.49, 228,218.19 and 93,765.36

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Solution

The fourth proportional to 165,380.49, 228,218.19 and 93,765.36 is: 129,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,380.49 : 228,218.19 = 93,765.36 : x
  2. Step 2: Convert to fraction form
    165,380.49/228,218.19 = 93,765.36/x
  3. Step 3: Cross multiply
    165,380.49x = 228,218.19 × 93,765.36
  4. Step 4: Simplify right side
    165,380.49x = 21,398,960,743.90
  5. Step 5: Solve for x
    x = 21,398,960,743.90/165,380.49
  6. Step 6: Final answer
    x = 129,392.29

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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.