Home / 165,768.21-248,654.05-132,698.49

Finding the Fourth Proportional to 165,768.21, 248,654.05 and 132,698.49

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Solution

The fourth proportional to 165,768.21, 248,654.05 and 132,698.49 is: 199,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,768.21 : 248,654.05 = 132,698.49 : x
  2. Step 2: Convert to fraction form
    165,768.21/248,654.05 = 132,698.49/x
  3. Step 3: Cross multiply
    165,768.21x = 248,654.05 × 132,698.49
  4. Step 4: Simplify right side
    165,768.21x = 32,996,016,967.38
  5. Step 5: Solve for x
    x = 32,996,016,967.38/165,768.21
  6. Step 6: Final answer
    x = 199,049.13

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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.