Home / 165,917.20-248,578.80-100,883.20

Finding the Fourth Proportional to 165,917.20, 248,578.80 and 100,883.20

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Solution

The fourth proportional to 165,917.20, 248,578.80 and 100,883.20 is: 151,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917.20 : 248,578.80 = 100,883.20 : x
  2. Step 2: Convert to fraction form
    165,917.20/248,578.80 = 100,883.20/x
  3. Step 3: Cross multiply
    165,917.20x = 248,578.80 × 100,883.20
  4. Step 4: Simplify right side
    165,917.20x = 25,077,424,796.16
  5. Step 5: Solve for x
    x = 25,077,424,796.16/165,917.20
  6. Step 6: Final answer
    x = 151,144.21

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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.