Home / 205,249.02-283,290.87-120,393.42

Finding the Fourth Proportional to 205,249.02, 283,290.87 and 120,393.42

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Solution

The fourth proportional to 205,249.02, 283,290.87 and 120,393.42 is: 166,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,249.02 : 283,290.87 = 120,393.42 : x
  2. Step 2: Convert to fraction form
    205,249.02/283,290.87 = 120,393.42/x
  3. Step 3: Cross multiply
    205,249.02x = 283,290.87 × 120,393.42
  4. Step 4: Simplify right side
    205,249.02x = 34,106,356,694.08
  5. Step 5: Solve for x
    x = 34,106,356,694.08/205,249.02
  6. Step 6: Final answer
    x = 166,170.62

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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.