Home / 165,369.75-248,077.82-53,023.56

Finding the Fourth Proportional to 165,369.75, 248,077.82 and 53,023.56

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Solution

The fourth proportional to 165,369.75, 248,077.82 and 53,023.56 is: 79,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,369.75 : 248,077.82 = 53,023.56 : x
  2. Step 2: Convert to fraction form
    165,369.75/248,077.82 = 53,023.56/x
  3. Step 3: Cross multiply
    165,369.75x = 248,077.82 × 53,023.56
  4. Step 4: Simplify right side
    165,369.75x = 13,153,969,173.44
  5. Step 5: Solve for x
    x = 13,153,969,173.44/165,369.75
  6. Step 6: Final answer
    x = 79,542.78

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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.