Home / 165,922.14-228,972.78-90,470.64

Finding the Fourth Proportional to 165,922.14, 228,972.78 and 90,470.64

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Solution

The fourth proportional to 165,922.14, 228,972.78 and 90,470.64 is: 124,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,922.14 : 228,972.78 = 90,470.64 : x
  2. Step 2: Convert to fraction form
    165,922.14/228,972.78 = 90,470.64/x
  3. Step 3: Cross multiply
    165,922.14x = 228,972.78 × 90,470.64
  4. Step 4: Simplify right side
    165,922.14x = 20,715,313,949.18
  5. Step 5: Solve for x
    x = 20,715,313,949.18/165,922.14
  6. Step 6: Final answer
    x = 124,849.61

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1.5x scale

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.