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Finding the Fourth Proportional to 392,109.42, 588,108.54 and 125,835.48

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Solution

The fourth proportional to 392,109.42, 588,108.54 and 125,835.48 is: 188,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,109.42 : 588,108.54 = 125,835.48 : x
  2. Step 2: Convert to fraction form
    392,109.42/588,108.54 = 125,835.48/x
  3. Step 3: Cross multiply
    392,109.42x = 588,108.54 × 125,835.48
  4. Step 4: Simplify right side
    392,109.42x = 74,004,920,423.00
  5. Step 5: Solve for x
    x = 74,004,920,423.00/392,109.42
  6. Step 6: Final answer
    x = 188,735.38

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