Home / 204,816.80-307,222.17-124,878.31

Finding the Fourth Proportional to 204,816.80, 307,222.17 and 124,878.31

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Solution

The fourth proportional to 204,816.80, 307,222.17 and 124,878.31 is: 187,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,816.80 : 307,222.17 = 124,878.31 : x
  2. Step 2: Convert to fraction form
    204,816.80/307,222.17 = 124,878.31/x
  3. Step 3: Cross multiply
    204,816.80x = 307,222.17 × 124,878.31
  4. Step 4: Simplify right side
    204,816.80x = 38,365,384,147.78
  5. Step 5: Solve for x
    x = 38,365,384,147.78/204,816.80
  6. Step 6: Final answer
    x = 187,315.61

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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.