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Finding the Fourth Proportional to 254,450.72, 381,094.76 and 121,424.40

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Solution

The fourth proportional to 254,450.72, 381,094.76 and 121,424.40 is: 181,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,450.72 : 381,094.76 = 121,424.40 : x
  2. Step 2: Convert to fraction form
    254,450.72/381,094.76 = 121,424.40/x
  3. Step 3: Cross multiply
    254,450.72x = 381,094.76 × 121,424.40
  4. Step 4: Simplify right side
    254,450.72x = 46,274,202,879.71
  5. Step 5: Solve for x
    x = 46,274,202,879.71/254,450.72
  6. Step 6: Final answer
    x = 181,859.19

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