Home / 143,823.95-198,473.11-82,568.33

Finding the Fourth Proportional to 143,823.95, 198,473.11 and 82,568.33

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Solution

The fourth proportional to 143,823.95, 198,473.11 and 82,568.33 is: 113,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,823.95 : 198,473.11 = 82,568.33 : x
  2. Step 2: Convert to fraction form
    143,823.95/198,473.11 = 82,568.33/x
  3. Step 3: Cross multiply
    143,823.95x = 198,473.11 × 82,568.33
  4. Step 4: Simplify right side
    143,823.95x = 16,387,593,242.61
  5. Step 5: Solve for x
    x = 16,387,593,242.61/143,823.95
  6. Step 6: Final answer
    x = 113,942.03

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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.