Home / 165,387.26-247,859.46-81,018.27

Finding the Fourth Proportional to 165,387.26, 247,859.46 and 81,018.27

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Solution

The fourth proportional to 165,387.26, 247,859.46 and 81,018.27 is: 121,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,387.26 : 247,859.46 = 81,018.27 : x
  2. Step 2: Convert to fraction form
    165,387.26/247,859.46 = 81,018.27/x
  3. Step 3: Cross multiply
    165,387.26x = 247,859.46 × 81,018.27
  4. Step 4: Simplify right side
    165,387.26x = 20,081,144,652.33
  5. Step 5: Solve for x
    x = 20,081,144,652.33/165,387.26
  6. Step 6: Final answer
    x = 121,418.93

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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.