Home / 151,202.28-208,655.30-82,288.83

Finding the Fourth Proportional to 151,202.28, 208,655.30 and 82,288.83

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Solution

The fourth proportional to 151,202.28, 208,655.30 and 82,288.83 is: 113,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,202.28 : 208,655.30 = 82,288.83 : x
  2. Step 2: Convert to fraction form
    151,202.28/208,655.30 = 82,288.83/x
  3. Step 3: Cross multiply
    151,202.28x = 208,655.30 × 82,288.83
  4. Step 4: Simplify right side
    151,202.28x = 17,170,000,098.85
  5. Step 5: Solve for x
    x = 17,170,000,098.85/151,202.28
  6. Step 6: Final answer
    x = 113,556.49

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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.