Home / 148,745.26-205,268.33-81,677.26

Finding the Fourth Proportional to 148,745.26, 205,268.33 and 81,677.26

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Solution

The fourth proportional to 148,745.26, 205,268.33 and 81,677.26 is: 112,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,745.26 : 205,268.33 = 81,677.26 : x
  2. Step 2: Convert to fraction form
    148,745.26/205,268.33 = 81,677.26/x
  3. Step 3: Cross multiply
    148,745.26x = 205,268.33 × 81,677.26
  4. Step 4: Simplify right side
    148,745.26x = 16,765,753,324.45
  5. Step 5: Solve for x
    x = 16,765,753,324.45/148,745.26
  6. Step 6: Final answer
    x = 112,714.54

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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.