Home / 144,037.32-198,771.21-80,371.32

Finding the Fourth Proportional to 144,037.32, 198,771.21 and 80,371.32

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Solution

The fourth proportional to 144,037.32, 198,771.21 and 80,371.32 is: 110,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,037.32 : 198,771.21 = 80,371.32 : x
  2. Step 2: Convert to fraction form
    144,037.32/198,771.21 = 80,371.32/x
  3. Step 3: Cross multiply
    144,037.32x = 198,771.21 × 80,371.32
  4. Step 4: Simplify right side
    144,037.32x = 15,975,504,525.70
  5. Step 5: Solve for x
    x = 15,975,504,525.70/144,037.32
  6. Step 6: Final answer
    x = 110,912.26

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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.