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Finding the Fourth Proportional to 103,361.16, 155,057.42 and 44,197

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Solution

The fourth proportional to 103,361.16, 155,057.42 and 44,197 is: 66,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,361.16 : 155,057.42 = 44,197 : x
  2. Step 2: Convert to fraction form
    103,361.16/155,057.42 = 44,197/x
  3. Step 3: Cross multiply
    103,361.16x = 155,057.42 × 44,197
  4. Step 4: Simplify right side
    103,361.16x = 6,853,072,791.74
  5. Step 5: Solve for x
    x = 6,853,072,791.74/103,361.16
  6. Step 6: Final answer
    x = 66,302.20

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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.