Home / 208,660.14-312,884.96-148,654.33

Finding the Fourth Proportional to 208,660.14, 312,884.96 and 148,654.33

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Solution

The fourth proportional to 208,660.14, 312,884.96 and 148,654.33 is: 222,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,660.14 : 312,884.96 = 148,654.33 : x
  2. Step 2: Convert to fraction form
    208,660.14/312,884.96 = 148,654.33/x
  3. Step 3: Cross multiply
    208,660.14x = 312,884.96 × 148,654.33
  4. Step 4: Simplify right side
    208,660.14x = 46,511,703,685.30
  5. Step 5: Solve for x
    x = 46,511,703,685.30/208,660.14
  6. Step 6: Final answer
    x = 222,906.51

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1.5x scale

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.