Home / 165,067.25-247,600.88-86,163.02

Finding the Fourth Proportional to 165,067.25, 247,600.88 and 86,163.02

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Solution

The fourth proportional to 165,067.25, 247,600.88 and 86,163.02 is: 129,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,067.25 : 247,600.88 = 86,163.02 : x
  2. Step 2: Convert to fraction form
    165,067.25/247,600.88 = 86,163.02/x
  3. Step 3: Cross multiply
    165,067.25x = 247,600.88 × 86,163.02
  4. Step 4: Simplify right side
    165,067.25x = 21,334,038,552.86
  5. Step 5: Solve for x
    x = 21,334,038,552.86/165,067.25
  6. Step 6: Final answer
    x = 129,244.53

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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.