Home / 133,811.80-200,717.70-131,738.20

Finding the Fourth Proportional to 133,811.80, 200,717.70 and 131,738.20

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Solution

The fourth proportional to 133,811.80, 200,717.70 and 131,738.20 is: 197,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.80 : 200,717.70 = 131,738.20 : x
  2. Step 2: Convert to fraction form
    133,811.80/200,717.70 = 131,738.20/x
  3. Step 3: Cross multiply
    133,811.80x = 200,717.70 × 131,738.20
  4. Step 4: Simplify right side
    133,811.80x = 26,442,188,506.14
  5. Step 5: Solve for x
    x = 26,442,188,506.14/133,811.80
  6. Step 6: Final answer
    x = 197,607.30

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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.