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Finding the Fourth Proportional to 151,954.72, 227,844 and 72,961.12

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Solution

The fourth proportional to 151,954.72, 227,844 and 72,961.12 is: 109,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,954.72 : 227,844 = 72,961.12 : x
  2. Step 2: Convert to fraction form
    151,954.72/227,844 = 72,961.12/x
  3. Step 3: Cross multiply
    151,954.72x = 227,844 × 72,961.12
  4. Step 4: Simplify right side
    151,954.72x = 16,623,753,425.28
  5. Step 5: Solve for x
    x = 16,623,753,425.28/151,954.72
  6. Step 6: Final answer
    x = 109,399.39

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1.5x scale

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.