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Finding the Fourth Proportional to 192,403.42, 265,517.06 and 107,520.47

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Solution

The fourth proportional to 192,403.42, 265,517.06 and 107,520.47 is: 148,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,403.42 : 265,517.06 = 107,520.47 : x
  2. Step 2: Convert to fraction form
    192,403.42/265,517.06 = 107,520.47/x
  3. Step 3: Cross multiply
    192,403.42x = 265,517.06 × 107,520.47
  4. Step 4: Simplify right side
    192,403.42x = 28,548,519,084.22
  5. Step 5: Solve for x
    x = 28,548,519,084.22/192,403.42
  6. Step 6: Final answer
    x = 148,378.44

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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.