Home / 165,620.04-228,556.18-90,169

Finding the Fourth Proportional to 165,620.04, 228,556.18 and 90,169

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Solution

The fourth proportional to 165,620.04, 228,556.18 and 90,169 is: 124,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.04 : 228,556.18 = 90,169 : x
  2. Step 2: Convert to fraction form
    165,620.04/228,556.18 = 90,169/x
  3. Step 3: Cross multiply
    165,620.04x = 228,556.18 × 90,169
  4. Step 4: Simplify right side
    165,620.04x = 20,608,682,194.42
  5. Step 5: Solve for x
    x = 20,608,682,194.42/165,620.04
  6. Step 6: Final answer
    x = 124,433.51

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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.