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Finding the Fourth Proportional to 151,662.87, 227,493.18 and 118,410.75

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Solution

The fourth proportional to 151,662.87, 227,493.18 and 118,410.75 is: 177,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,662.87 : 227,493.18 = 118,410.75 : x
  2. Step 2: Convert to fraction form
    151,662.87/227,493.18 = 118,410.75/x
  3. Step 3: Cross multiply
    151,662.87x = 227,493.18 × 118,410.75
  4. Step 4: Simplify right side
    151,662.87x = 26,937,638,063.69
  5. Step 5: Solve for x
    x = 26,937,638,063.69/151,662.87
  6. Step 6: Final answer
    x = 177,615.25

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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.