Home / 165,355.20-228,196.80-93,744

Finding the Fourth Proportional to 165,355.20, 228,196.80 and 93,744

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Solution

The fourth proportional to 165,355.20, 228,196.80 and 93,744 is: 129,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.20 : 228,196.80 = 93,744 : x
  2. Step 2: Convert to fraction form
    165,355.20/228,196.80 = 93,744/x
  3. Step 3: Cross multiply
    165,355.20x = 228,196.80 × 93,744
  4. Step 4: Simplify right side
    165,355.20x = 21,392,080,819.20
  5. Step 5: Solve for x
    x = 21,392,080,819.20/165,355.20
  6. Step 6: Final answer
    x = 129,370.48

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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.