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Finding the Fourth Proportional to 230,986.40, 346,771.20 and 124,455.20

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Solution

The fourth proportional to 230,986.40, 346,771.20 and 124,455.20 is: 186,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,986.40 : 346,771.20 = 124,455.20 : x
  2. Step 2: Convert to fraction form
    230,986.40/346,771.20 = 124,455.20/x
  3. Step 3: Cross multiply
    230,986.40x = 346,771.20 × 124,455.20
  4. Step 4: Simplify right side
    230,986.40x = 43,157,479,050.24
  5. Step 5: Solve for x
    x = 43,157,479,050.24/230,986.40
  6. Step 6: Final answer
    x = 186,839.91

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