Home / 131,867.40-197,946.90-82,003.80

Finding the Fourth Proportional to 131,867.40, 197,946.90 and 82,003.80

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Solution

The fourth proportional to 131,867.40, 197,946.90 and 82,003.80 is: 123,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,867.40 : 197,946.90 = 82,003.80 : x
  2. Step 2: Convert to fraction form
    131,867.40/197,946.90 = 82,003.80/x
  3. Step 3: Cross multiply
    131,867.40x = 197,946.90 × 82,003.80
  4. Step 4: Simplify right side
    131,867.40x = 16,232,397,998.22
  5. Step 5: Solve for x
    x = 16,232,397,998.22/131,867.40
  6. Step 6: Final answer
    x = 123,096.37

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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.