Home / 165,305.62-228,105.79-92,711.49

Finding the Fourth Proportional to 165,305.62, 228,105.79 and 92,711.49

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Solution

The fourth proportional to 165,305.62, 228,105.79 and 92,711.49 is: 127,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,305.62 : 228,105.79 = 92,711.49 : x
  2. Step 2: Convert to fraction form
    165,305.62/228,105.79 = 92,711.49/x
  3. Step 3: Cross multiply
    165,305.62x = 228,105.79 × 92,711.49
  4. Step 4: Simplify right side
    165,305.62x = 21,148,028,639.81
  5. Step 5: Solve for x
    x = 21,148,028,639.81/165,305.62
  6. Step 6: Final answer
    x = 127,932.91

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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.