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Finding the Fourth Proportional to 162,429.60, 243,644.40 and 117,847.20

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Solution

The fourth proportional to 162,429.60, 243,644.40 and 117,847.20 is: 176,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,429.60 : 243,644.40 = 117,847.20 : x
  2. Step 2: Convert to fraction form
    162,429.60/243,644.40 = 117,847.20/x
  3. Step 3: Cross multiply
    162,429.60x = 243,644.40 × 117,847.20
  4. Step 4: Simplify right side
    162,429.60x = 28,712,810,335.68
  5. Step 5: Solve for x
    x = 28,712,810,335.68/162,429.60
  6. Step 6: Final answer
    x = 176,770.80

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