Home / 148,844.25-205,407.23-80,862.44

Finding the Fourth Proportional to 148,844.25, 205,407.23 and 80,862.44

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Solution

The fourth proportional to 148,844.25, 205,407.23 and 80,862.44 is: 111,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,844.25 : 205,407.23 = 80,862.44 : x
  2. Step 2: Convert to fraction form
    148,844.25/205,407.23 = 80,862.44/x
  3. Step 3: Cross multiply
    148,844.25x = 205,407.23 × 80,862.44
  4. Step 4: Simplify right side
    148,844.25x = 16,609,728,380.09
  5. Step 5: Solve for x
    x = 16,609,728,380.09/148,844.25
  6. Step 6: Final answer
    x = 111,591.33

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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.