Home / 165,256.80-228,049.44-89,805.36

Finding the Fourth Proportional to 165,256.80, 228,049.44 and 89,805.36

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Solution

The fourth proportional to 165,256.80, 228,049.44 and 89,805.36 is: 123,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,256.80 : 228,049.44 = 89,805.36 : x
  2. Step 2: Convert to fraction form
    165,256.80/228,049.44 = 89,805.36/x
  3. Step 3: Cross multiply
    165,256.80x = 228,049.44 × 89,805.36
  4. Step 4: Simplify right side
    165,256.80x = 20,480,062,057.00
  5. Step 5: Solve for x
    x = 20,480,062,057.00/165,256.80
  6. Step 6: Final answer
    x = 123,928.71

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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.