Home / 132,125.82-198,244.32-82,247.64

Finding the Fourth Proportional to 132,125.82, 198,244.32 and 82,247.64

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Solution

The fourth proportional to 132,125.82, 198,244.32 and 82,247.64 is: 123,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,125.82 : 198,244.32 = 82,247.64 : x
  2. Step 2: Convert to fraction form
    132,125.82/198,244.32 = 82,247.64/x
  3. Step 3: Cross multiply
    132,125.82x = 198,244.32 × 82,247.64
  4. Step 4: Simplify right side
    132,125.82x = 16,305,127,463.40
  5. Step 5: Solve for x
    x = 16,305,127,463.40/132,125.82
  6. Step 6: Final answer
    x = 123,406.06

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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.