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Finding the Fourth Proportional to 183,911.70, 275,867.55 and 154,387.20

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Solution

The fourth proportional to 183,911.70, 275,867.55 and 154,387.20 is: 231,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,911.70 : 275,867.55 = 154,387.20 : x
  2. Step 2: Convert to fraction form
    183,911.70/275,867.55 = 154,387.20/x
  3. Step 3: Cross multiply
    183,911.70x = 275,867.55 × 154,387.20
  4. Step 4: Simplify right side
    183,911.70x = 42,590,418,615.36
  5. Step 5: Solve for x
    x = 42,590,418,615.36/183,911.70
  6. Step 6: Final answer
    x = 231,580.80

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