Home / 144,194.02-198,958.85-80,522.02

Finding the Fourth Proportional to 144,194.02, 198,958.85 and 80,522.02

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Solution

The fourth proportional to 144,194.02, 198,958.85 and 80,522.02 is: 111,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,194.02 : 198,958.85 = 80,522.02 : x
  2. Step 2: Convert to fraction form
    144,194.02/198,958.85 = 80,522.02/x
  3. Step 3: Cross multiply
    144,194.02x = 198,958.85 × 80,522.02
  4. Step 4: Simplify right side
    144,194.02x = 16,020,568,498.88
  5. Step 5: Solve for x
    x = 16,020,568,498.88/144,194.02
  6. Step 6: Final answer
    x = 111,104.25

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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.