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Finding the Fourth Proportional to 192,467.88, 265,608.32 and 116,066.66

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Solution

The fourth proportional to 192,467.88, 265,608.32 and 116,066.66 is: 160,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,467.88 : 265,608.32 = 116,066.66 : x
  2. Step 2: Convert to fraction form
    192,467.88/265,608.32 = 116,066.66/x
  3. Step 3: Cross multiply
    192,467.88x = 265,608.32 × 116,066.66
  4. Step 4: Simplify right side
    192,467.88x = 30,828,268,662.24
  5. Step 5: Solve for x
    x = 30,828,268,662.24/192,467.88
  6. Step 6: Final answer
    x = 160,173.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.