Home / 203,659.10-305,488.38-114,872.30

Finding the Fourth Proportional to 203,659.10, 305,488.38 and 114,872.30

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Solution

The fourth proportional to 203,659.10, 305,488.38 and 114,872.30 is: 172,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,659.10 : 305,488.38 = 114,872.30 : x
  2. Step 2: Convert to fraction form
    203,659.10/305,488.38 = 114,872.30/x
  3. Step 3: Cross multiply
    203,659.10x = 305,488.38 × 114,872.30
  4. Step 4: Simplify right side
    203,659.10x = 35,092,152,833.87
  5. Step 5: Solve for x
    x = 35,092,152,833.87/203,659.10
  6. Step 6: Final answer
    x = 172,308.30

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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.