Home / 146,409.20-219,623.40-41,231.60

Finding the Fourth Proportional to 146,409.20, 219,623.40 and 41,231.60

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Solution

The fourth proportional to 146,409.20, 219,623.40 and 41,231.60 is: 61,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,409.20 : 219,623.40 = 41,231.60 : x
  2. Step 2: Convert to fraction form
    146,409.20/219,623.40 = 41,231.60/x
  3. Step 3: Cross multiply
    146,409.20x = 219,623.40 × 41,231.60
  4. Step 4: Simplify right side
    146,409.20x = 9,055,424,179.44
  5. Step 5: Solve for x
    x = 9,055,424,179.44/146,409.20
  6. Step 6: Final answer
    x = 61,850.10

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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.