Home / 119,936.43-165,514.86-66,224.86

Finding the Fourth Proportional to 119,936.43, 165,514.86 and 66,224.86

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Solution

The fourth proportional to 119,936.43, 165,514.86 and 66,224.86 is: 91,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,936.43 : 165,514.86 = 66,224.86 : x
  2. Step 2: Convert to fraction form
    119,936.43/165,514.86 = 66,224.86/x
  3. Step 3: Cross multiply
    119,936.43x = 165,514.86 × 66,224.86
  4. Step 4: Simplify right side
    119,936.43x = 10,961,198,017.63
  5. Step 5: Solve for x
    x = 10,961,198,017.63/119,936.43
  6. Step 6: Final answer
    x = 91,391.73

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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.