Home / 165,245.14-228,040.08-89,793.64

Finding the Fourth Proportional to 165,245.14, 228,040.08 and 89,793.64

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Solution

The fourth proportional to 165,245.14, 228,040.08 and 89,793.64 is: 123,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,245.14 : 228,040.08 = 89,793.64 : x
  2. Step 2: Convert to fraction form
    165,245.14/228,040.08 = 89,793.64/x
  3. Step 3: Cross multiply
    165,245.14x = 228,040.08 × 89,793.64
  4. Step 4: Simplify right side
    165,245.14x = 20,476,548,849.09
  5. Step 5: Solve for x
    x = 20,476,548,849.09/165,245.14
  6. Step 6: Final answer
    x = 123,916.19

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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.