Home / 144,366.51-199,231.97-80,704.29

Finding the Fourth Proportional to 144,366.51, 199,231.97 and 80,704.29

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Solution

The fourth proportional to 144,366.51, 199,231.97 and 80,704.29 is: 111,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,366.51 : 199,231.97 = 80,704.29 : x
  2. Step 2: Convert to fraction form
    144,366.51/199,231.97 = 80,704.29/x
  3. Step 3: Cross multiply
    144,366.51x = 199,231.97 × 80,704.29
  4. Step 4: Simplify right side
    144,366.51x = 16,078,874,280.63
  5. Step 5: Solve for x
    x = 16,078,874,280.63/144,366.51
  6. Step 6: Final answer
    x = 111,375.38

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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.