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Finding the Fourth Proportional to 194,636.10, 268,597.89 and 105,212.10

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Solution

The fourth proportional to 194,636.10, 268,597.89 and 105,212.10 is: 145,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.10 : 268,597.89 = 105,212.10 : x
  2. Step 2: Convert to fraction form
    194,636.10/268,597.89 = 105,212.10/x
  3. Step 3: Cross multiply
    194,636.10x = 268,597.89 × 105,212.10
  4. Step 4: Simplify right side
    194,636.10x = 28,259,748,062.47
  5. Step 5: Solve for x
    x = 28,259,748,062.47/194,636.10
  6. Step 6: Final answer
    x = 145,192.74

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