Home / 143,599.08-198,185.28-82,369.14

Finding the Fourth Proportional to 143,599.08, 198,185.28 and 82,369.14

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Solution

The fourth proportional to 143,599.08, 198,185.28 and 82,369.14 is: 113,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,599.08 : 198,185.28 = 82,369.14 : x
  2. Step 2: Convert to fraction form
    143,599.08/198,185.28 = 82,369.14/x
  3. Step 3: Cross multiply
    143,599.08x = 198,185.28 × 82,369.14
  4. Step 4: Simplify right side
    143,599.08x = 16,324,351,074.26
  5. Step 5: Solve for x
    x = 16,324,351,074.26/143,599.08
  6. Step 6: Final answer
    x = 113,680.05

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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.