Home / 165,914.48-248,951.82-81,628.94

Finding the Fourth Proportional to 165,914.48, 248,951.82 and 81,628.94

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Solution

The fourth proportional to 165,914.48, 248,951.82 and 81,628.94 is: 122,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,914.48 : 248,951.82 = 81,628.94 : x
  2. Step 2: Convert to fraction form
    165,914.48/248,951.82 = 81,628.94/x
  3. Step 3: Cross multiply
    165,914.48x = 248,951.82 × 81,628.94
  4. Step 4: Simplify right side
    165,914.48x = 20,321,673,177.67
  5. Step 5: Solve for x
    x = 20,321,673,177.67/165,914.48
  6. Step 6: Final answer
    x = 122,482.82

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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.