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Finding the Fourth Proportional to 149,716.40, 224,455.36 and 86,464.56

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Solution

The fourth proportional to 149,716.40, 224,455.36 and 86,464.56 is: 129,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,716.40 : 224,455.36 = 86,464.56 : x
  2. Step 2: Convert to fraction form
    149,716.40/224,455.36 = 86,464.56/x
  3. Step 3: Cross multiply
    149,716.40x = 224,455.36 × 86,464.56
  4. Step 4: Simplify right side
    149,716.40x = 19,407,433,942.04
  5. Step 5: Solve for x
    x = 19,407,433,942.04/149,716.40
  6. Step 6: Final answer
    x = 129,627.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.