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Finding the Fourth Proportional to 252,008.20, 347,790.18 and 138,831.40

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Solution

The fourth proportional to 252,008.20, 347,790.18 and 138,831.40 is: 191,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,008.20 : 347,790.18 = 138,831.40 : x
  2. Step 2: Convert to fraction form
    252,008.20/347,790.18 = 138,831.40/x
  3. Step 3: Cross multiply
    252,008.20x = 347,790.18 × 138,831.40
  4. Step 4: Simplify right side
    252,008.20x = 48,284,197,595.65
  5. Step 5: Solve for x
    x = 48,284,197,595.65/252,008.20
  6. Step 6: Final answer
    x = 191,597.72

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