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Finding the Fourth Proportional to 144,283.92, 199,107.99 and 80,622.24

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Solution

The fourth proportional to 144,283.92, 199,107.99 and 80,622.24 is: 111,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,283.92 : 199,107.99 = 80,622.24 : x
  2. Step 2: Convert to fraction form
    144,283.92/199,107.99 = 80,622.24/x
  3. Step 3: Cross multiply
    144,283.92x = 199,107.99 × 80,622.24
  4. Step 4: Simplify right side
    144,283.92x = 16,052,532,155.70
  5. Step 5: Solve for x
    x = 16,052,532,155.70/144,283.92
  6. Step 6: Final answer
    x = 111,256.56

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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.