Home / 146,540.40-219,810.60-57,745.56

Finding the Fourth Proportional to 146,540.40, 219,810.60 and 57,745.56

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Solution

The fourth proportional to 146,540.40, 219,810.60 and 57,745.56 is: 86,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.40 : 219,810.60 = 57,745.56 : x
  2. Step 2: Convert to fraction form
    146,540.40/219,810.60 = 57,745.56/x
  3. Step 3: Cross multiply
    146,540.40x = 219,810.60 × 57,745.56
  4. Step 4: Simplify right side
    146,540.40x = 12,693,086,190.94
  5. Step 5: Solve for x
    x = 12,693,086,190.94/146,540.40
  6. Step 6: Final answer
    x = 86,618.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.