Home / 131,072.64-196,576.39-56,184.29

Finding the Fourth Proportional to 131,072.64, 196,576.39 and 56,184.29

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Solution

The fourth proportional to 131,072.64, 196,576.39 and 56,184.29 is: 84,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072.64 : 196,576.39 = 56,184.29 : x
  2. Step 2: Convert to fraction form
    131,072.64/196,576.39 = 56,184.29/x
  3. Step 3: Cross multiply
    131,072.64x = 196,576.39 × 56,184.29
  4. Step 4: Simplify right side
    131,072.64x = 11,044,504,902.91
  5. Step 5: Solve for x
    x = 11,044,504,902.91/131,072.64
  6. Step 6: Final answer
    x = 84,262.47

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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.