Home / 143,955.42-198,658.70-80,297.29

Finding the Fourth Proportional to 143,955.42, 198,658.70 and 80,297.29

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Solution

The fourth proportional to 143,955.42, 198,658.70 and 80,297.29 is: 110,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.42 : 198,658.70 = 80,297.29 : x
  2. Step 2: Convert to fraction form
    143,955.42/198,658.70 = 80,297.29/x
  3. Step 3: Cross multiply
    143,955.42x = 198,658.70 × 80,297.29
  4. Step 4: Simplify right side
    143,955.42x = 15,951,755,244.92
  5. Step 5: Solve for x
    x = 15,951,755,244.92/143,955.42
  6. Step 6: Final answer
    x = 110,810.38

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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.