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Finding the Fourth Proportional to 192,265.44, 265,443.20 and 131,935.20

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Solution

The fourth proportional to 192,265.44, 265,443.20 and 131,935.20 is: 182,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,265.44 : 265,443.20 = 131,935.20 : x
  2. Step 2: Convert to fraction form
    192,265.44/265,443.20 = 131,935.20/x
  3. Step 3: Cross multiply
    192,265.44x = 265,443.20 × 131,935.20
  4. Step 4: Simplify right side
    192,265.44x = 35,021,301,680.64
  5. Step 5: Solve for x
    x = 35,021,301,680.64/192,265.44
  6. Step 6: Final answer
    x = 182,150.79

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1.5x scale

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.