Home / 146,168.20-218,906.70-99,166.60

Finding the Fourth Proportional to 146,168.20, 218,906.70 and 99,166.60

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Solution

The fourth proportional to 146,168.20, 218,906.70 and 99,166.60 is: 148,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,168.20 : 218,906.70 = 99,166.60 : x
  2. Step 2: Convert to fraction form
    146,168.20/218,906.70 = 99,166.60/x
  3. Step 3: Cross multiply
    146,168.20x = 218,906.70 × 99,166.60
  4. Step 4: Simplify right side
    146,168.20x = 21,708,233,156.22
  5. Step 5: Solve for x
    x = 21,708,233,156.22/146,168.20
  6. Step 6: Final answer
    x = 148,515.43

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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.