Home / 143,852.64-198,523.36-80,190.80

Finding the Fourth Proportional to 143,852.64, 198,523.36 and 80,190.80

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Solution

The fourth proportional to 143,852.64, 198,523.36 and 80,190.80 is: 110,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,852.64 : 198,523.36 = 80,190.80 : x
  2. Step 2: Convert to fraction form
    143,852.64/198,523.36 = 80,190.80/x
  3. Step 3: Cross multiply
    143,852.64x = 198,523.36 × 80,190.80
  4. Step 4: Simplify right side
    143,852.64x = 15,919,747,057.09
  5. Step 5: Solve for x
    x = 15,919,747,057.09/143,852.64
  6. Step 6: Final answer
    x = 110,667.05

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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.