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Finding the Fourth Proportional to 194,615.76, 268,569.63 and 105,191.76

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Solution

The fourth proportional to 194,615.76, 268,569.63 and 105,191.76 is: 145,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.76 : 268,569.63 = 105,191.76 : x
  2. Step 2: Convert to fraction form
    194,615.76/268,569.63 = 105,191.76/x
  3. Step 3: Cross multiply
    194,615.76x = 268,569.63 × 105,191.76
  4. Step 4: Simplify right side
    194,615.76x = 28,251,312,062.25
  5. Step 5: Solve for x
    x = 28,251,312,062.25/194,615.76
  6. Step 6: Final answer
    x = 145,164.56

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