Home / 165,991.54-229,003.05-102,218.62

Finding the Fourth Proportional to 165,991.54, 229,003.05 and 102,218.62

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Solution

The fourth proportional to 165,991.54, 229,003.05 and 102,218.62 is: 141,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,991.54 : 229,003.05 = 102,218.62 : x
  2. Step 2: Convert to fraction form
    165,991.54/229,003.05 = 102,218.62/x
  3. Step 3: Cross multiply
    165,991.54x = 229,003.05 × 102,218.62
  4. Step 4: Simplify right side
    165,991.54x = 23,408,375,746.79
  5. Step 5: Solve for x
    x = 23,408,375,746.79/165,991.54
  6. Step 6: Final answer
    x = 141,021.50

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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.