Home / 165,245.40-228,039.30-89,793.90

Finding the Fourth Proportional to 165,245.40, 228,039.30 and 89,793.90

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Solution

The fourth proportional to 165,245.40, 228,039.30 and 89,793.90 is: 123,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,245.40 : 228,039.30 = 89,793.90 : x
  2. Step 2: Convert to fraction form
    165,245.40/228,039.30 = 89,793.90/x
  3. Step 3: Cross multiply
    165,245.40x = 228,039.30 × 89,793.90
  4. Step 4: Simplify right side
    165,245.40x = 20,476,538,100.27
  5. Step 5: Solve for x
    x = 20,476,538,100.27/165,245.40
  6. Step 6: Final answer
    x = 123,915.93

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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.