Home / 196,996.53-271,865.40-120,491.64

Finding the Fourth Proportional to 196,996.53, 271,865.40 and 120,491.64

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Solution

The fourth proportional to 196,996.53, 271,865.40 and 120,491.64 is: 166,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,996.53 : 271,865.40 = 120,491.64 : x
  2. Step 2: Convert to fraction form
    196,996.53/271,865.40 = 120,491.64/x
  3. Step 3: Cross multiply
    196,996.53x = 271,865.40 × 120,491.64
  4. Step 4: Simplify right side
    196,996.53x = 32,757,507,905.26
  5. Step 5: Solve for x
    x = 32,757,507,905.26/196,996.53
  6. Step 6: Final answer
    x = 166,284.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.