Home / 206,947.17-285,588.10-120,911.06

Finding the Fourth Proportional to 206,947.17, 285,588.10 and 120,911.06

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Solution

The fourth proportional to 206,947.17, 285,588.10 and 120,911.06 is: 166,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,947.17 : 285,588.10 = 120,911.06 : x
  2. Step 2: Convert to fraction form
    206,947.17/285,588.10 = 120,911.06/x
  3. Step 3: Cross multiply
    206,947.17x = 285,588.10 × 120,911.06
  4. Step 4: Simplify right side
    206,947.17x = 34,530,760,079.37
  5. Step 5: Solve for x
    x = 34,530,760,079.37/206,947.17
  6. Step 6: Final answer
    x = 166,857.85

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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.