Home / 129,814.36-194,723.10-45,576.64

Finding the Fourth Proportional to 129,814.36, 194,723.10 and 45,576.64

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Solution

The fourth proportional to 129,814.36, 194,723.10 and 45,576.64 is: 68,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,814.36 : 194,723.10 = 45,576.64 : x
  2. Step 2: Convert to fraction form
    129,814.36/194,723.10 = 45,576.64/x
  3. Step 3: Cross multiply
    129,814.36x = 194,723.10 × 45,576.64
  4. Step 4: Simplify right side
    129,814.36x = 8,874,824,628.38
  5. Step 5: Solve for x
    x = 8,874,824,628.38/129,814.36
  6. Step 6: Final answer
    x = 68,365.51

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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.