Home / 144,104.08-198,883.62-80,446

Finding the Fourth Proportional to 144,104.08, 198,883.62 and 80,446

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Solution

The fourth proportional to 144,104.08, 198,883.62 and 80,446 is: 111,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,104.08 : 198,883.62 = 80,446 : x
  2. Step 2: Convert to fraction form
    144,104.08/198,883.62 = 80,446/x
  3. Step 3: Cross multiply
    144,104.08x = 198,883.62 × 80,446
  4. Step 4: Simplify right side
    144,104.08x = 15,999,391,694.52
  5. Step 5: Solve for x
    x = 15,999,391,694.52/144,104.08
  6. Step 6: Final answer
    x = 111,026.64

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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.