Home / 131,541.81-197,251.37-68,344.94

Finding the Fourth Proportional to 131,541.81, 197,251.37 and 68,344.94

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Solution

The fourth proportional to 131,541.81, 197,251.37 and 68,344.94 is: 102,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,541.81 : 197,251.37 = 68,344.94 : x
  2. Step 2: Convert to fraction form
    131,541.81/197,251.37 = 68,344.94/x
  3. Step 3: Cross multiply
    131,541.81x = 197,251.37 × 68,344.94
  4. Step 4: Simplify right side
    131,541.81x = 13,481,133,198.97
  5. Step 5: Solve for x
    x = 13,481,133,198.97/131,541.81
  6. Step 6: Final answer
    x = 102,485.54

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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.