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Finding the Fourth Proportional to 192,835.52, 266,114.06 and 106,797.32

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Solution

The fourth proportional to 192,835.52, 266,114.06 and 106,797.32 is: 147,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,835.52 : 266,114.06 = 106,797.32 : x
  2. Step 2: Convert to fraction form
    192,835.52/266,114.06 = 106,797.32/x
  3. Step 3: Cross multiply
    192,835.52x = 266,114.06 × 106,797.32
  4. Step 4: Simplify right side
    192,835.52x = 28,420,268,422.32
  5. Step 5: Solve for x
    x = 28,420,268,422.32/192,835.52
  6. Step 6: Final answer
    x = 147,380.88

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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.