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Finding the Fourth Proportional to 188,570.75, 260,234.93 and 103,685.99

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Solution

The fourth proportional to 188,570.75, 260,234.93 and 103,685.99 is: 143,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,570.75 : 260,234.93 = 103,685.99 : x
  2. Step 2: Convert to fraction form
    188,570.75/260,234.93 = 103,685.99/x
  3. Step 3: Cross multiply
    188,570.75x = 260,234.93 × 103,685.99
  4. Step 4: Simplify right side
    188,570.75x = 26,982,716,349.63
  5. Step 5: Solve for x
    x = 26,982,716,349.63/188,570.75
  6. Step 6: Final answer
    x = 143,090.68

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