Home / 200,983.20-277,260.96-120,372

Finding the Fourth Proportional to 200,983.20, 277,260.96 and 120,372

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Solution

The fourth proportional to 200,983.20, 277,260.96 and 120,372 is: 166,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,983.20 : 277,260.96 = 120,372 : x
  2. Step 2: Convert to fraction form
    200,983.20/277,260.96 = 120,372/x
  3. Step 3: Cross multiply
    200,983.20x = 277,260.96 × 120,372
  4. Step 4: Simplify right side
    200,983.20x = 33,374,456,277.12
  5. Step 5: Solve for x
    x = 33,374,456,277.12/200,983.20
  6. Step 6: Final answer
    x = 166,055.95

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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.