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Finding the Fourth Proportional to 189,783.60, 284,493.15 and 109,739.40

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Solution

The fourth proportional to 189,783.60, 284,493.15 and 109,739.40 is: 164,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,783.60 : 284,493.15 = 109,739.40 : x
  2. Step 2: Convert to fraction form
    189,783.60/284,493.15 = 109,739.40/x
  3. Step 3: Cross multiply
    189,783.60x = 284,493.15 × 109,739.40
  4. Step 4: Simplify right side
    189,783.60x = 31,220,107,585.11
  5. Step 5: Solve for x
    x = 31,220,107,585.11/189,783.60
  6. Step 6: Final answer
    x = 164,503.72

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