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Finding the Fourth Proportional to 260,364.56, 390,406.35 and 118,132.22

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Solution

The fourth proportional to 260,364.56, 390,406.35 and 118,132.22 is: 177,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,364.56 : 390,406.35 = 118,132.22 : x
  2. Step 2: Convert to fraction form
    260,364.56/390,406.35 = 118,132.22/x
  3. Step 3: Cross multiply
    260,364.56x = 390,406.35 × 118,132.22
  4. Step 4: Simplify right side
    260,364.56x = 46,119,568,827.60
  5. Step 5: Solve for x
    x = 46,119,568,827.60/260,364.56
  6. Step 6: Final answer
    x = 177,134.59

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