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Finding the Fourth Proportional to 134,850.69, 186,105.33 and 74,427.12

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Solution

The fourth proportional to 134,850.69, 186,105.33 and 74,427.12 is: 102,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,850.69 : 186,105.33 = 74,427.12 : x
  2. Step 2: Convert to fraction form
    134,850.69/186,105.33 = 74,427.12/x
  3. Step 3: Cross multiply
    134,850.69x = 186,105.33 × 74,427.12
  4. Step 4: Simplify right side
    134,850.69x = 13,851,283,728.55
  5. Step 5: Solve for x
    x = 13,851,283,728.55/134,850.69
  6. Step 6: Final answer
    x = 102,715.71

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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.