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Finding the Fourth Proportional to 255,520.19, 383,365.59 and 113,345.85

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Solution

The fourth proportional to 255,520.19, 383,365.59 and 113,345.85 is: 170,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,520.19 : 383,365.59 = 113,345.85 : x
  2. Step 2: Convert to fraction form
    255,520.19/383,365.59 = 113,345.85/x
  3. Step 3: Cross multiply
    255,520.19x = 383,365.59 × 113,345.85
  4. Step 4: Simplify right side
    255,520.19x = 43,452,898,659.30
  5. Step 5: Solve for x
    x = 43,452,898,659.30/255,520.19
  6. Step 6: Final answer
    x = 170,056.62

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