Home / 165,781.92-228,771.90-94,161.72

Finding the Fourth Proportional to 165,781.92, 228,771.90 and 94,161.72

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Solution

The fourth proportional to 165,781.92, 228,771.90 and 94,161.72 is: 129,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,781.92 : 228,771.90 = 94,161.72 : x
  2. Step 2: Convert to fraction form
    165,781.92/228,771.90 = 94,161.72/x
  3. Step 3: Cross multiply
    165,781.92x = 228,771.90 × 94,161.72
  4. Step 4: Simplify right side
    165,781.92x = 21,541,555,591.67
  5. Step 5: Solve for x
    x = 21,541,555,591.67/165,781.92
  6. Step 6: Final answer
    x = 129,939.11

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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.