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Finding the Fourth Proportional to 156,725.20, 235,087.80 and 154,392.40

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Solution

The fourth proportional to 156,725.20, 235,087.80 and 154,392.40 is: 231,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.20 : 235,087.80 = 154,392.40 : x
  2. Step 2: Convert to fraction form
    156,725.20/235,087.80 = 154,392.40/x
  3. Step 3: Cross multiply
    156,725.20x = 235,087.80 × 154,392.40
  4. Step 4: Simplify right side
    156,725.20x = 36,295,769,652.72
  5. Step 5: Solve for x
    x = 36,295,769,652.72/156,725.20
  6. Step 6: Final answer
    x = 231,588.60

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