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Finding the Fourth Proportional to 189,849.60, 284,428.80 and 154,598.40

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Solution

The fourth proportional to 189,849.60, 284,428.80 and 154,598.40 is: 231,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,849.60 : 284,428.80 = 154,598.40 : x
  2. Step 2: Convert to fraction form
    189,849.60/284,428.80 = 154,598.40/x
  3. Step 3: Cross multiply
    189,849.60x = 284,428.80 × 154,598.40
  4. Step 4: Simplify right side
    189,849.60x = 43,972,237,393.92
  5. Step 5: Solve for x
    x = 43,972,237,393.92/189,849.60
  6. Step 6: Final answer
    x = 231,616.17

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