Home / 165,221.85-228,003.33-89,769.81

Finding the Fourth Proportional to 165,221.85, 228,003.33 and 89,769.81

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Solution

The fourth proportional to 165,221.85, 228,003.33 and 89,769.81 is: 123,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,221.85 : 228,003.33 = 89,769.81 : x
  2. Step 2: Convert to fraction form
    165,221.85/228,003.33 = 89,769.81/x
  3. Step 3: Cross multiply
    165,221.85x = 228,003.33 × 89,769.81
  4. Step 4: Simplify right side
    165,221.85x = 20,467,815,613.47
  5. Step 5: Solve for x
    x = 20,467,815,613.47/165,221.85
  6. Step 6: Final answer
    x = 123,880.80

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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.