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Finding the Fourth Proportional to 156,917.90, 235,117.65 and 133,589.90

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Solution

The fourth proportional to 156,917.90, 235,117.65 and 133,589.90 is: 200,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.90 : 235,117.65 = 133,589.90 : x
  2. Step 2: Convert to fraction form
    156,917.90/235,117.65 = 133,589.90/x
  3. Step 3: Cross multiply
    156,917.90x = 235,117.65 × 133,589.90
  4. Step 4: Simplify right side
    156,917.90x = 31,409,343,351.74
  5. Step 5: Solve for x
    x = 31,409,343,351.74/156,917.90
  6. Step 6: Final answer
    x = 200,164.18

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