Home / 132,446.72-198,864.48-82,738.64

Finding the Fourth Proportional to 132,446.72, 198,864.48 and 82,738.64

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Solution

The fourth proportional to 132,446.72, 198,864.48 and 82,738.64 is: 124,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,446.72 : 198,864.48 = 82,738.64 : x
  2. Step 2: Convert to fraction form
    132,446.72/198,864.48 = 82,738.64/x
  3. Step 3: Cross multiply
    132,446.72x = 198,864.48 × 82,738.64
  4. Step 4: Simplify right side
    132,446.72x = 16,453,776,619.51
  5. Step 5: Solve for x
    x = 16,453,776,619.51/132,446.72
  6. Step 6: Final answer
    x = 124,229.40

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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.