Home / 165,992.36-229,067.46-90,539.24

Finding the Fourth Proportional to 165,992.36, 229,067.46 and 90,539.24

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Solution

The fourth proportional to 165,992.36, 229,067.46 and 90,539.24 is: 124,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,992.36 : 229,067.46 = 90,539.24 : x
  2. Step 2: Convert to fraction form
    165,992.36/229,067.46 = 90,539.24/x
  3. Step 3: Cross multiply
    165,992.36x = 229,067.46 × 90,539.24
  4. Step 4: Simplify right side
    165,992.36x = 20,739,593,737.13
  5. Step 5: Solve for x
    x = 20,739,593,737.13/165,992.36
  6. Step 6: Final answer
    x = 124,943.06

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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.