Home / 165,942.56-229,001.64-90,489.44

Finding the Fourth Proportional to 165,942.56, 229,001.64 and 90,489.44

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Solution

The fourth proportional to 165,942.56, 229,001.64 and 90,489.44 is: 124,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,942.56 : 229,001.64 = 90,489.44 : x
  2. Step 2: Convert to fraction form
    165,942.56/229,001.64 = 90,489.44/x
  3. Step 3: Cross multiply
    165,942.56x = 229,001.64 × 90,489.44
  4. Step 4: Simplify right side
    165,942.56x = 20,722,230,162.68
  5. Step 5: Solve for x
    x = 20,722,230,162.68/165,942.56
  6. Step 6: Final answer
    x = 124,875.92

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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.