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Finding the Fourth Proportional to 357,556.80, 536,176.80 and 120,835.20

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Solution

The fourth proportional to 357,556.80, 536,176.80 and 120,835.20 is: 181,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,556.80 : 536,176.80 = 120,835.20 : x
  2. Step 2: Convert to fraction form
    357,556.80/536,176.80 = 120,835.20/x
  3. Step 3: Cross multiply
    357,556.80x = 536,176.80 × 120,835.20
  4. Step 4: Simplify right side
    357,556.80x = 64,789,030,863.36
  5. Step 5: Solve for x
    x = 64,789,030,863.36/357,556.80
  6. Step 6: Final answer
    x = 181,199.27

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