Home / 165,087.86-227,918.48-100,581.44

Finding the Fourth Proportional to 165,087.86, 227,918.48 and 100,581.44

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Solution

The fourth proportional to 165,087.86, 227,918.48 and 100,581.44 is: 138,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.86 : 227,918.48 = 100,581.44 : x
  2. Step 2: Convert to fraction form
    165,087.86/227,918.48 = 100,581.44/x
  3. Step 3: Cross multiply
    165,087.86x = 227,918.48 × 100,581.44
  4. Step 4: Simplify right side
    165,087.86x = 22,924,367,278.51
  5. Step 5: Solve for x
    x = 22,924,367,278.51/165,087.86
  6. Step 6: Final answer
    x = 138,861.62

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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.