Home / 144,108.96-198,867.06-80,452.68

Finding the Fourth Proportional to 144,108.96, 198,867.06 and 80,452.68

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Solution

The fourth proportional to 144,108.96, 198,867.06 and 80,452.68 is: 111,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,108.96 : 198,867.06 = 80,452.68 : x
  2. Step 2: Convert to fraction form
    144,108.96/198,867.06 = 80,452.68/x
  3. Step 3: Cross multiply
    144,108.96x = 198,867.06 × 80,452.68
  4. Step 4: Simplify right side
    144,108.96x = 15,999,387,940.72
  5. Step 5: Solve for x
    x = 15,999,387,940.72/144,108.96
  6. Step 6: Final answer
    x = 111,022.85

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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.