Home / 143,994.38-198,717.64-80,344.44

Finding the Fourth Proportional to 143,994.38, 198,717.64 and 80,344.44

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Solution

The fourth proportional to 143,994.38, 198,717.64 and 80,344.44 is: 110,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,994.38 : 198,717.64 = 80,344.44 : x
  2. Step 2: Convert to fraction form
    143,994.38/198,717.64 = 80,344.44/x
  3. Step 3: Cross multiply
    143,994.38x = 198,717.64 × 80,344.44
  4. Step 4: Simplify right side
    143,994.38x = 15,965,857,303.06
  5. Step 5: Solve for x
    x = 15,965,857,303.06/143,994.38
  6. Step 6: Final answer
    x = 110,878.34

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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.