Home / 149,822.28-206,744.34-82,749

Finding the Fourth Proportional to 149,822.28, 206,744.34 and 82,749

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Solution

The fourth proportional to 149,822.28, 206,744.34 and 82,749 is: 114,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.28 : 206,744.34 = 82,749 : x
  2. Step 2: Convert to fraction form
    149,822.28/206,744.34 = 82,749/x
  3. Step 3: Cross multiply
    149,822.28x = 206,744.34 × 82,749
  4. Step 4: Simplify right side
    149,822.28x = 17,107,887,390.66
  5. Step 5: Solve for x
    x = 17,107,887,390.66/149,822.28
  6. Step 6: Final answer
    x = 114,187.87

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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.