Home / 129,654.43-194,502.41-54,775.27

Finding the Fourth Proportional to 129,654.43, 194,502.41 and 54,775.27

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Solution

The fourth proportional to 129,654.43, 194,502.41 and 54,775.27 is: 82,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,654.43 : 194,502.41 = 54,775.27 : x
  2. Step 2: Convert to fraction form
    129,654.43/194,502.41 = 54,775.27/x
  3. Step 3: Cross multiply
    129,654.43x = 194,502.41 × 54,775.27
  4. Step 4: Simplify right side
    129,654.43x = 10,653,920,777.01
  5. Step 5: Solve for x
    x = 10,653,920,777.01/129,654.43
  6. Step 6: Final answer
    x = 82,171.67

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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.