Home / 144,391.76-199,266.84-80,729.54

Finding the Fourth Proportional to 144,391.76, 199,266.84 and 80,729.54

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Solution

The fourth proportional to 144,391.76, 199,266.84 and 80,729.54 is: 111,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,391.76 : 199,266.84 = 80,729.54 : x
  2. Step 2: Convert to fraction form
    144,391.76/199,266.84 = 80,729.54/x
  3. Step 3: Cross multiply
    144,391.76x = 199,266.84 × 80,729.54
  4. Step 4: Simplify right side
    144,391.76x = 16,086,720,330.45
  5. Step 5: Solve for x
    x = 16,086,720,330.45/144,391.76
  6. Step 6: Final answer
    x = 111,410.24

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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.