Home / 205,162.48-283,171.46-120,306.88

Finding the Fourth Proportional to 205,162.48, 283,171.46 and 120,306.88

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Solution

The fourth proportional to 205,162.48, 283,171.46 and 120,306.88 is: 166,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,162.48 : 283,171.46 = 120,306.88 : x
  2. Step 2: Convert to fraction form
    205,162.48/283,171.46 = 120,306.88/x
  3. Step 3: Cross multiply
    205,162.48x = 283,171.46 × 120,306.88
  4. Step 4: Simplify right side
    205,162.48x = 34,067,472,840.25
  5. Step 5: Solve for x
    x = 34,067,472,840.25/205,162.48
  6. Step 6: Final answer
    x = 166,051.19

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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.