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Finding the Fourth Proportional to 219,679.36, 303,156.04 and 124,185.88

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Solution

The fourth proportional to 219,679.36, 303,156.04 and 124,185.88 is: 171,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,679.36 : 303,156.04 = 124,185.88 : x
  2. Step 2: Convert to fraction form
    219,679.36/303,156.04 = 124,185.88/x
  3. Step 3: Cross multiply
    219,679.36x = 303,156.04 × 124,185.88
  4. Step 4: Simplify right side
    219,679.36x = 37,647,699,604.72
  5. Step 5: Solve for x
    x = 37,647,699,604.72/219,679.36
  6. Step 6: Final answer
    x = 171,375.68

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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.