Home / 165,222.85-228,004.71-89,770.81

Finding the Fourth Proportional to 165,222.85, 228,004.71 and 89,770.81

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Solution

The fourth proportional to 165,222.85, 228,004.71 and 89,770.81 is: 123,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,222.85 : 228,004.71 = 89,770.81 : x
  2. Step 2: Convert to fraction form
    165,222.85/228,004.71 = 89,770.81/x
  3. Step 3: Cross multiply
    165,222.85x = 228,004.71 × 89,770.81
  4. Step 4: Simplify right side
    165,222.85x = 20,468,167,500.52
  5. Step 5: Solve for x
    x = 20,468,167,500.52/165,222.85
  6. Step 6: Final answer
    x = 123,882.18

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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.