Home / 263,821.60-395,722.80-106,007.20

Finding the Fourth Proportional to 263,821.60, 395,722.80 and 106,007.20

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Solution

The fourth proportional to 263,821.60, 395,722.80 and 106,007.20 is: 159,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,821.60 : 395,722.80 = 106,007.20 : x
  2. Step 2: Convert to fraction form
    263,821.60/395,722.80 = 106,007.20/x
  3. Step 3: Cross multiply
    263,821.60x = 395,722.80 × 106,007.20
  4. Step 4: Simplify right side
    263,821.60x = 41,949,466,004.16
  5. Step 5: Solve for x
    x = 41,949,466,004.16/263,821.60
  6. Step 6: Final answer
    x = 159,006.94

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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.