Home / 271,355.10-406,917.45-131,156.70

Finding the Fourth Proportional to 271,355.10, 406,917.45 and 131,156.70

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Solution

The fourth proportional to 271,355.10, 406,917.45 and 131,156.70 is: 196,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,355.10 : 406,917.45 = 131,156.70 : x
  2. Step 2: Convert to fraction form
    271,355.10/406,917.45 = 131,156.70/x
  3. Step 3: Cross multiply
    271,355.10x = 406,917.45 × 131,156.70
  4. Step 4: Simplify right side
    271,355.10x = 53,369,949,914.42
  5. Step 5: Solve for x
    x = 53,369,949,914.42/271,355.10
  6. Step 6: Final answer
    x = 196,679.37

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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.