Home / 142,576.34-196,776.07-82,135.22

Finding the Fourth Proportional to 142,576.34, 196,776.07 and 82,135.22

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Solution

The fourth proportional to 142,576.34, 196,776.07 and 82,135.22 is: 113,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576.34 : 196,776.07 = 82,135.22 : x
  2. Step 2: Convert to fraction form
    142,576.34/196,776.07 = 82,135.22/x
  3. Step 3: Cross multiply
    142,576.34x = 196,776.07 × 82,135.22
  4. Step 4: Simplify right side
    142,576.34x = 16,162,244,610.97
  5. Step 5: Solve for x
    x = 16,162,244,610.97/142,576.34
  6. Step 6: Final answer
    x = 113,358.54

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1.5x scale

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.