Home / 149,343.94-206,092.23-81,361.73

Finding the Fourth Proportional to 149,343.94, 206,092.23 and 81,361.73

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Solution

The fourth proportional to 149,343.94, 206,092.23 and 81,361.73 is: 112,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,343.94 : 206,092.23 = 81,361.73 : x
  2. Step 2: Convert to fraction form
    149,343.94/206,092.23 = 81,361.73/x
  3. Step 3: Cross multiply
    149,343.94x = 206,092.23 × 81,361.73
  4. Step 4: Simplify right side
    149,343.94x = 16,768,019,880.87
  5. Step 5: Solve for x
    x = 16,768,019,880.87/149,343.94
  6. Step 6: Final answer
    x = 112,277.87

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1.5x scale

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.