Home / 149,323.80-206,067.12-88,896.53

Finding the Fourth Proportional to 149,323.80, 206,067.12 and 88,896.53

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Solution

The fourth proportional to 149,323.80, 206,067.12 and 88,896.53 is: 122,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323.80 : 206,067.12 = 88,896.53 : x
  2. Step 2: Convert to fraction form
    149,323.80/206,067.12 = 88,896.53/x
  3. Step 3: Cross multiply
    149,323.80x = 206,067.12 × 88,896.53
  4. Step 4: Simplify right side
    149,323.80x = 18,318,651,915.09
  5. Step 5: Solve for x
    x = 18,318,651,915.09/149,323.80
  6. Step 6: Final answer
    x = 122,677.38

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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.