Home / 151,651.28-209,057.24-106,186

Finding the Fourth Proportional to 151,651.28, 209,057.24 and 106,186

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Solution

The fourth proportional to 151,651.28, 209,057.24 and 106,186 is: 146,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,651.28 : 209,057.24 = 106,186 : x
  2. Step 2: Convert to fraction form
    151,651.28/209,057.24 = 106,186/x
  3. Step 3: Cross multiply
    151,651.28x = 209,057.24 × 106,186
  4. Step 4: Simplify right side
    151,651.28x = 22,198,952,086.64
  5. Step 5: Solve for x
    x = 22,198,952,086.64/151,651.28
  6. Step 6: Final answer
    x = 146,381.57

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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.