Home / 165,258.30-228,057.90-89,806.80

Finding the Fourth Proportional to 165,258.30, 228,057.90 and 89,806.80

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Solution

The fourth proportional to 165,258.30, 228,057.90 and 89,806.80 is: 123,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,258.30 : 228,057.90 = 89,806.80 : x
  2. Step 2: Convert to fraction form
    165,258.30/228,057.90 = 89,806.80/x
  3. Step 3: Cross multiply
    165,258.30x = 228,057.90 × 89,806.80
  4. Step 4: Simplify right side
    165,258.30x = 20,481,150,213.72
  5. Step 5: Solve for x
    x = 20,481,150,213.72/165,258.30
  6. Step 6: Final answer
    x = 123,934.17

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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.