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Finding the Fourth Proportional to 162,669.60, 243,680.40 and 143,186.40

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Solution

The fourth proportional to 162,669.60, 243,680.40 and 143,186.40 is: 214,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,669.60 : 243,680.40 = 143,186.40 : x
  2. Step 2: Convert to fraction form
    162,669.60/243,680.40 = 143,186.40/x
  3. Step 3: Cross multiply
    162,669.60x = 243,680.40 × 143,186.40
  4. Step 4: Simplify right side
    162,669.60x = 34,891,719,226.56
  5. Step 5: Solve for x
    x = 34,891,719,226.56/162,669.60
  6. Step 6: Final answer
    x = 214,494.41

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