Home / 165,769.62-248,654.21-76,974.57

Finding the Fourth Proportional to 165,769.62, 248,654.21 and 76,974.57

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Solution

The fourth proportional to 165,769.62, 248,654.21 and 76,974.57 is: 115,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,769.62 : 248,654.21 = 76,974.57 : x
  2. Step 2: Convert to fraction form
    165,769.62/248,654.21 = 76,974.57/x
  3. Step 3: Cross multiply
    165,769.62x = 248,654.21 × 76,974.57
  4. Step 4: Simplify right side
    165,769.62x = 19,140,050,508.57
  5. Step 5: Solve for x
    x = 19,140,050,508.57/165,769.62
  6. Step 6: Final answer
    x = 115,461.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.