Home / 143,599.58-198,185.97-82,369.64

Finding the Fourth Proportional to 143,599.58, 198,185.97 and 82,369.64

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Solution

The fourth proportional to 143,599.58, 198,185.97 and 82,369.64 is: 113,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,599.58 : 198,185.97 = 82,369.64 : x
  2. Step 2: Convert to fraction form
    143,599.58/198,185.97 = 82,369.64/x
  3. Step 3: Cross multiply
    143,599.58x = 198,185.97 × 82,369.64
  4. Step 4: Simplify right side
    143,599.58x = 16,324,507,001.95
  5. Step 5: Solve for x
    x = 16,324,507,001.95/143,599.58
  6. Step 6: Final answer
    x = 113,680.74

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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.