Home / 144,004.23-198,735.39-80,343.38

Finding the Fourth Proportional to 144,004.23, 198,735.39 and 80,343.38

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Solution

The fourth proportional to 144,004.23, 198,735.39 and 80,343.38 is: 110,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.23 : 198,735.39 = 80,343.38 : x
  2. Step 2: Convert to fraction form
    144,004.23/198,735.39 = 80,343.38/x
  3. Step 3: Cross multiply
    144,004.23x = 198,735.39 × 80,343.38
  4. Step 4: Simplify right side
    144,004.23x = 15,967,073,455.06
  5. Step 5: Solve for x
    x = 15,967,073,455.06/144,004.23
  6. Step 6: Final answer
    x = 110,879.20

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1.5x scale

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.