Home / 106,190.40-146,539.98-57,793.30

Finding the Fourth Proportional to 106,190.40, 146,539.98 and 57,793.30

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Solution

The fourth proportional to 106,190.40, 146,539.98 and 57,793.30 is: 79,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,190.40 : 146,539.98 = 57,793.30 : x
  2. Step 2: Convert to fraction form
    106,190.40/146,539.98 = 57,793.30/x
  3. Step 3: Cross multiply
    106,190.40x = 146,539.98 × 57,793.30
  4. Step 4: Simplify right side
    106,190.40x = 8,469,028,659.78
  5. Step 5: Solve for x
    x = 8,469,028,659.78/106,190.40
  6. Step 6: Final answer
    x = 79,753.24

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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.