Home / 165,174.56-227,940.64-89,723.20

Finding the Fourth Proportional to 165,174.56, 227,940.64 and 89,723.20

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Solution

The fourth proportional to 165,174.56, 227,940.64 and 89,723.20 is: 123,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,174.56 : 227,940.64 = 89,723.20 : x
  2. Step 2: Convert to fraction form
    165,174.56/227,940.64 = 89,723.20/x
  3. Step 3: Cross multiply
    165,174.56x = 227,940.64 × 89,723.20
  4. Step 4: Simplify right side
    165,174.56x = 20,451,563,630.85
  5. Step 5: Solve for x
    x = 20,451,563,630.85/165,174.56
  6. Step 6: Final answer
    x = 123,817.88

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1.5x scale

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.