Home / 131,029.20-196,576.92-52,143.12

Finding the Fourth Proportional to 131,029.20, 196,576.92 and 52,143.12

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Solution

The fourth proportional to 131,029.20, 196,576.92 and 52,143.12 is: 78,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,029.20 : 196,576.92 = 52,143.12 : x
  2. Step 2: Convert to fraction form
    131,029.20/196,576.92 = 52,143.12/x
  3. Step 3: Cross multiply
    131,029.20x = 196,576.92 × 52,143.12
  4. Step 4: Simplify right side
    131,029.20x = 10,250,133,928.79
  5. Step 5: Solve for x
    x = 10,250,133,928.79/131,029.20
  6. Step 6: Final answer
    x = 78,227.86

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1.5x scale

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.