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Finding the Fourth Proportional to 118,611.23, 177,888.89 and 43,690.68

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Solution

The fourth proportional to 118,611.23, 177,888.89 and 43,690.68 is: 65,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.23 : 177,888.89 = 43,690.68 : x
  2. Step 2: Convert to fraction form
    118,611.23/177,888.89 = 43,690.68/x
  3. Step 3: Cross multiply
    118,611.23x = 177,888.89 × 43,690.68
  4. Step 4: Simplify right side
    118,611.23x = 7,772,086,677.77
  5. Step 5: Solve for x
    x = 7,772,086,677.77/118,611.23
  6. Step 6: Final answer
    x = 65,525.73

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