Home / 205,046.04-282,963.90-120,163.20

Finding the Fourth Proportional to 205,046.04, 282,963.90 and 120,163.20

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Solution

The fourth proportional to 205,046.04, 282,963.90 and 120,163.20 is: 165,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,046.04 : 282,963.90 = 120,163.20 : x
  2. Step 2: Convert to fraction form
    205,046.04/282,963.90 = 120,163.20/x
  3. Step 3: Cross multiply
    205,046.04x = 282,963.90 × 120,163.20
  4. Step 4: Simplify right side
    205,046.04x = 34,001,847,708.48
  5. Step 5: Solve for x
    x = 34,001,847,708.48/205,046.04
  6. Step 6: Final answer
    x = 165,825.43

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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.