Home / 144,176.64-198,963.36-80,514.48

Finding the Fourth Proportional to 144,176.64, 198,963.36 and 80,514.48

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Solution

The fourth proportional to 144,176.64, 198,963.36 and 80,514.48 is: 111,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,176.64 : 198,963.36 = 80,514.48 : x
  2. Step 2: Convert to fraction form
    144,176.64/198,963.36 = 80,514.48/x
  3. Step 3: Cross multiply
    144,176.64x = 198,963.36 × 80,514.48
  4. Step 4: Simplify right side
    144,176.64x = 16,019,431,469.45
  5. Step 5: Solve for x
    x = 16,019,431,469.45/144,176.64
  6. Step 6: Final answer
    x = 111,109.76

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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.