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Finding the Fourth Proportional to 150,496.56, 207,685.26 and 83,428.56

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Solution

The fourth proportional to 150,496.56, 207,685.26 and 83,428.56 is: 115,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,496.56 : 207,685.26 = 83,428.56 : x
  2. Step 2: Convert to fraction form
    150,496.56/207,685.26 = 83,428.56/x
  3. Step 3: Cross multiply
    150,496.56x = 207,685.26 × 83,428.56
  4. Step 4: Simplify right side
    150,496.56x = 17,326,882,175.03
  5. Step 5: Solve for x
    x = 17,326,882,175.03/150,496.56
  6. Step 6: Final answer
    x = 115,131.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.