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Finding the Fourth Proportional to 355,147.20, 532,769.40 and 118,465.20

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Solution

The fourth proportional to 355,147.20, 532,769.40 and 118,465.20 is: 177,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,147.20 : 532,769.40 = 118,465.20 : x
  2. Step 2: Convert to fraction form
    355,147.20/532,769.40 = 118,465.20/x
  3. Step 3: Cross multiply
    355,147.20x = 532,769.40 × 118,465.20
  4. Step 4: Simplify right side
    355,147.20x = 63,114,633,524.88
  5. Step 5: Solve for x
    x = 63,114,633,524.88/355,147.20
  6. Step 6: Final answer
    x = 177,714.01

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