Home / 129,544.11-194,342.49-54,664.20

Finding the Fourth Proportional to 129,544.11, 194,342.49 and 54,664.20

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Solution

The fourth proportional to 129,544.11, 194,342.49 and 54,664.20 is: 82,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,544.11 : 194,342.49 = 54,664.20 : x
  2. Step 2: Convert to fraction form
    129,544.11/194,342.49 = 54,664.20/x
  3. Step 3: Cross multiply
    129,544.11x = 194,342.49 × 54,664.20
  4. Step 4: Simplify right side
    129,544.11x = 10,623,576,741.86
  5. Step 5: Solve for x
    x = 10,623,576,741.86/129,544.11
  6. Step 6: Final answer
    x = 82,007.41

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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.