Home / 154,429.70-231,644.55-147,212.60

Finding the Fourth Proportional to 154,429.70, 231,644.55 and 147,212.60

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Solution

The fourth proportional to 154,429.70, 231,644.55 and 147,212.60 is: 220,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.70 : 231,644.55 = 147,212.60 : x
  2. Step 2: Convert to fraction form
    154,429.70/231,644.55 = 147,212.60/x
  3. Step 3: Cross multiply
    154,429.70x = 231,644.55 × 147,212.60
  4. Step 4: Simplify right side
    154,429.70x = 34,100,996,481.33
  5. Step 5: Solve for x
    x = 34,100,996,481.33/154,429.70
  6. Step 6: Final answer
    x = 220,818.90

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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.