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Finding the Fourth Proportional to 136,996.19, 205,510.89 and 48,231.53

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Solution

The fourth proportional to 136,996.19, 205,510.89 and 48,231.53 is: 72,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,996.19 : 205,510.89 = 48,231.53 : x
  2. Step 2: Convert to fraction form
    136,996.19/205,510.89 = 48,231.53/x
  3. Step 3: Cross multiply
    136,996.19x = 205,510.89 × 48,231.53
  4. Step 4: Simplify right side
    136,996.19x = 9,912,104,656.36
  5. Step 5: Solve for x
    x = 9,912,104,656.36/136,996.19
  6. Step 6: Final answer
    x = 72,353.14

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