Home / 144,268.26-199,086.54-80,606.54

Finding the Fourth Proportional to 144,268.26, 199,086.54 and 80,606.54

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Solution

The fourth proportional to 144,268.26, 199,086.54 and 80,606.54 is: 111,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268.26 : 199,086.54 = 80,606.54 : x
  2. Step 2: Convert to fraction form
    144,268.26/199,086.54 = 80,606.54/x
  3. Step 3: Cross multiply
    144,268.26x = 199,086.54 × 80,606.54
  4. Step 4: Simplify right side
    144,268.26x = 16,047,677,149.97
  5. Step 5: Solve for x
    x = 16,047,677,149.97/144,268.26
  6. Step 6: Final answer
    x = 111,234.98

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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.