Home / 137,968.12-207,096.96-122,273.56

Finding the Fourth Proportional to 137,968.12, 207,096.96 and 122,273.56

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Solution

The fourth proportional to 137,968.12, 207,096.96 and 122,273.56 is: 183,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,968.12 : 207,096.96 = 122,273.56 : x
  2. Step 2: Convert to fraction form
    137,968.12/207,096.96 = 122,273.56/x
  3. Step 3: Cross multiply
    137,968.12x = 207,096.96 × 122,273.56
  4. Step 4: Simplify right side
    137,968.12x = 25,322,481,528.89
  5. Step 5: Solve for x
    x = 25,322,481,528.89/137,968.12
  6. Step 6: Final answer
    x = 183,538.65

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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.