Home / 165,704.34-228,599.25-111,969.78

Finding the Fourth Proportional to 165,704.34, 228,599.25 and 111,969.78

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Solution

The fourth proportional to 165,704.34, 228,599.25 and 111,969.78 is: 154,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,704.34 : 228,599.25 = 111,969.78 : x
  2. Step 2: Convert to fraction form
    165,704.34/228,599.25 = 111,969.78/x
  3. Step 3: Cross multiply
    165,704.34x = 228,599.25 × 111,969.78
  4. Step 4: Simplify right side
    165,704.34x = 25,596,207,730.67
  5. Step 5: Solve for x
    x = 25,596,207,730.67/165,704.34
  6. Step 6: Final answer
    x = 154,469.15

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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.