Home / 146,816.80-220,225.20-121,906.60

Finding the Fourth Proportional to 146,816.80, 220,225.20 and 121,906.60

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Solution

The fourth proportional to 146,816.80, 220,225.20 and 121,906.60 is: 182,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,816.80 : 220,225.20 = 121,906.60 : x
  2. Step 2: Convert to fraction form
    146,816.80/220,225.20 = 121,906.60/x
  3. Step 3: Cross multiply
    146,816.80x = 220,225.20 × 121,906.60
  4. Step 4: Simplify right side
    146,816.80x = 26,846,905,366.32
  5. Step 5: Solve for x
    x = 26,846,905,366.32/146,816.80
  6. Step 6: Final answer
    x = 182,859.90

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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.