Home / 225,893.16-311,739.30-125,289

Finding the Fourth Proportional to 225,893.16, 311,739.30 and 125,289

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Solution

The fourth proportional to 225,893.16, 311,739.30 and 125,289 is: 172,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,893.16 : 311,739.30 = 125,289 : x
  2. Step 2: Convert to fraction form
    225,893.16/311,739.30 = 125,289/x
  3. Step 3: Cross multiply
    225,893.16x = 311,739.30 × 125,289
  4. Step 4: Simplify right side
    225,893.16x = 39,057,505,157.70
  5. Step 5: Solve for x
    x = 39,057,505,157.70/225,893.16
  6. Step 6: Final answer
    x = 172,902.56

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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.