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Finding the Fourth Proportional to 189,670.79, 284,646.51 and 89,831.16

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Solution

The fourth proportional to 189,670.79, 284,646.51 and 89,831.16 is: 134,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,670.79 : 284,646.51 = 89,831.16 : x
  2. Step 2: Convert to fraction form
    189,670.79/284,646.51 = 89,831.16/x
  3. Step 3: Cross multiply
    189,670.79x = 284,646.51 × 89,831.16
  4. Step 4: Simplify right side
    189,670.79x = 25,570,126,183.25
  5. Step 5: Solve for x
    x = 25,570,126,183.25/189,670.79
  6. Step 6: Final answer
    x = 134,813.20

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