Home / 143,419.46-197,895.57-79,755.62

Finding the Fourth Proportional to 143,419.46, 197,895.57 and 79,755.62

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Solution

The fourth proportional to 143,419.46, 197,895.57 and 79,755.62 is: 110,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,419.46 : 197,895.57 = 79,755.62 : x
  2. Step 2: Convert to fraction form
    143,419.46/197,895.57 = 79,755.62/x
  3. Step 3: Cross multiply
    143,419.46x = 197,895.57 × 79,755.62
  4. Step 4: Simplify right side
    143,419.46x = 15,783,283,880.60
  5. Step 5: Solve for x
    x = 15,783,283,880.60/143,419.46
  6. Step 6: Final answer
    x = 110,049.81

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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.