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Finding the Fourth Proportional to 162,435.10, 243,616.20 and 106,666.60

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Solution

The fourth proportional to 162,435.10, 243,616.20 and 106,666.60 is: 159,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,435.10 : 243,616.20 = 106,666.60 : x
  2. Step 2: Convert to fraction form
    162,435.10/243,616.20 = 106,666.60/x
  3. Step 3: Cross multiply
    162,435.10x = 243,616.20 × 106,666.60
  4. Step 4: Simplify right side
    162,435.10x = 25,985,711,758.92
  5. Step 5: Solve for x
    x = 25,985,711,758.92/162,435.10
  6. Step 6: Final answer
    x = 159,975.96

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