Home / 149,904.97-206,871.57-81,924.82

Finding the Fourth Proportional to 149,904.97, 206,871.57 and 81,924.82

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Solution

The fourth proportional to 149,904.97, 206,871.57 and 81,924.82 is: 113,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,904.97 : 206,871.57 = 81,924.82 : x
  2. Step 2: Convert to fraction form
    149,904.97/206,871.57 = 81,924.82/x
  3. Step 3: Cross multiply
    149,904.97x = 206,871.57 × 81,924.82
  4. Step 4: Simplify right side
    149,904.97x = 16,947,916,135.37
  5. Step 5: Solve for x
    x = 16,947,916,135.37/149,904.97
  6. Step 6: Final answer
    x = 113,057.73

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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.