Home / 269,637.43-404,536.95-80,104.12

Finding the Fourth Proportional to 269,637.43, 404,536.95 and 80,104.12

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Solution

The fourth proportional to 269,637.43, 404,536.95 and 80,104.12 is: 120,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,637.43 : 404,536.95 = 80,104.12 : x
  2. Step 2: Convert to fraction form
    269,637.43/404,536.95 = 80,104.12/x
  3. Step 3: Cross multiply
    269,637.43x = 404,536.95 × 80,104.12
  4. Step 4: Simplify right side
    269,637.43x = 32,405,076,387.23
  5. Step 5: Solve for x
    x = 32,405,076,387.23/269,637.43
  6. Step 6: Final answer
    x = 120,180.19

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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.