Home / 165,144.60-227,381.58-145,743.48

Finding the Fourth Proportional to 165,144.60, 227,381.58 and 145,743.48

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Solution

The fourth proportional to 165,144.60, 227,381.58 and 145,743.48 is: 200,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144.60 : 227,381.58 = 145,743.48 : x
  2. Step 2: Convert to fraction form
    165,144.60/227,381.58 = 145,743.48/x
  3. Step 3: Cross multiply
    165,144.60x = 227,381.58 × 145,743.48
  4. Step 4: Simplify right side
    165,144.60x = 33,139,382,757.10
  5. Step 5: Solve for x
    x = 33,139,382,757.10/165,144.60
  6. Step 6: Final answer
    x = 200,668.89

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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.