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Finding the Fourth Proportional to 171,224.08, 236,515 and 131,429.58

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Solution

The fourth proportional to 171,224.08, 236,515 and 131,429.58 is: 181,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,224.08 : 236,515 = 131,429.58 : x
  2. Step 2: Convert to fraction form
    171,224.08/236,515 = 131,429.58/x
  3. Step 3: Cross multiply
    171,224.08x = 236,515 × 131,429.58
  4. Step 4: Simplify right side
    171,224.08x = 31,085,067,113.70
  5. Step 5: Solve for x
    x = 31,085,067,113.70/171,224.08
  6. Step 6: Final answer
    x = 181,546.12

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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.