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Finding the Fourth Proportional to 164,540.70, 246,811.05 and 111,396.60

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Solution

The fourth proportional to 164,540.70, 246,811.05 and 111,396.60 is: 167,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,540.70 : 246,811.05 = 111,396.60 : x
  2. Step 2: Convert to fraction form
    164,540.70/246,811.05 = 111,396.60/x
  3. Step 3: Cross multiply
    164,540.70x = 246,811.05 × 111,396.60
  4. Step 4: Simplify right side
    164,540.70x = 27,493,911,812.43
  5. Step 5: Solve for x
    x = 27,493,911,812.43/164,540.70
  6. Step 6: Final answer
    x = 167,094.90

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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.