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Finding the Fourth Proportional to 124,313.80, 186,470.70 and 111,872.20

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Solution

The fourth proportional to 124,313.80, 186,470.70 and 111,872.20 is: 167,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,313.80 : 186,470.70 = 111,872.20 : x
  2. Step 2: Convert to fraction form
    124,313.80/186,470.70 = 111,872.20/x
  3. Step 3: Cross multiply
    124,313.80x = 186,470.70 × 111,872.20
  4. Step 4: Simplify right side
    124,313.80x = 20,860,887,444.54
  5. Step 5: Solve for x
    x = 20,860,887,444.54/124,313.80
  6. Step 6: Final answer
    x = 167,808.30

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