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Finding the Fourth Proportional to 151,406.80, 227,110.20 and 95,419.60

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Solution

The fourth proportional to 151,406.80, 227,110.20 and 95,419.60 is: 143,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,406.80 : 227,110.20 = 95,419.60 : x
  2. Step 2: Convert to fraction form
    151,406.80/227,110.20 = 95,419.60/x
  3. Step 3: Cross multiply
    151,406.80x = 227,110.20 × 95,419.60
  4. Step 4: Simplify right side
    151,406.80x = 21,670,764,439.92
  5. Step 5: Solve for x
    x = 21,670,764,439.92/151,406.80
  6. Step 6: Final answer
    x = 143,129.40

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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.