Home / 167,813.10-251,330.85-114,936.30

Finding the Fourth Proportional to 167,813.10, 251,330.85 and 114,936.30

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Solution

The fourth proportional to 167,813.10, 251,330.85 and 114,936.30 is: 172,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,813.10 : 251,330.85 = 114,936.30 : x
  2. Step 2: Convert to fraction form
    167,813.10/251,330.85 = 114,936.30/x
  3. Step 3: Cross multiply
    167,813.10x = 251,330.85 × 114,936.30
  4. Step 4: Simplify right side
    167,813.10x = 28,887,037,974.86
  5. Step 5: Solve for x
    x = 28,887,037,974.86/167,813.10
  6. Step 6: Final answer
    x = 172,138.16

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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.