Home / 146,922.60-220,230.30-80,260.20

Finding the Fourth Proportional to 146,922.60, 220,230.30 and 80,260.20

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Solution

The fourth proportional to 146,922.60, 220,230.30 and 80,260.20 is: 120,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,922.60 : 220,230.30 = 80,260.20 : x
  2. Step 2: Convert to fraction form
    146,922.60/220,230.30 = 80,260.20/x
  3. Step 3: Cross multiply
    146,922.60x = 220,230.30 × 80,260.20
  4. Step 4: Simplify right side
    146,922.60x = 17,675,727,924.06
  5. Step 5: Solve for x
    x = 17,675,727,924.06/146,922.60
  6. Step 6: Final answer
    x = 120,306.39

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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.