Home / 148,168.47-204,470.93-80,183.97

Finding the Fourth Proportional to 148,168.47, 204,470.93 and 80,183.97

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Solution

The fourth proportional to 148,168.47, 204,470.93 and 80,183.97 is: 110,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,168.47 : 204,470.93 = 80,183.97 : x
  2. Step 2: Convert to fraction form
    148,168.47/204,470.93 = 80,183.97/x
  3. Step 3: Cross multiply
    148,168.47x = 204,470.93 × 80,183.97
  4. Step 4: Simplify right side
    148,168.47x = 16,395,290,516.07
  5. Step 5: Solve for x
    x = 16,395,290,516.07/148,168.47
  6. Step 6: Final answer
    x = 110,653.03

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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.