Home / 143,546.97-215,310.07-68,647.00

Finding the Fourth Proportional to 143,546.97, 215,310.07 and 68,647.00

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Solution

The fourth proportional to 143,546.97, 215,310.07 and 68,647.00 is: 102,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,546.97 : 215,310.07 = 68,647.00 : x
  2. Step 2: Convert to fraction form
    143,546.97/215,310.07 = 68,647.00/x
  3. Step 3: Cross multiply
    143,546.97x = 215,310.07 × 68,647.00
  4. Step 4: Simplify right side
    143,546.97x = 14,780,390,236.58
  5. Step 5: Solve for x
    x = 14,780,390,236.58/143,546.97
  6. Step 6: Final answer
    x = 102,965.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.