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Finding the Fourth Proportional to 156,688.90, 235,033.35 and 133,069.30

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Solution

The fourth proportional to 156,688.90, 235,033.35 and 133,069.30 is: 199,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,688.90 : 235,033.35 = 133,069.30 : x
  2. Step 2: Convert to fraction form
    156,688.90/235,033.35 = 133,069.30/x
  3. Step 3: Cross multiply
    156,688.90x = 235,033.35 × 133,069.30
  4. Step 4: Simplify right side
    156,688.90x = 31,275,723,361.16
  5. Step 5: Solve for x
    x = 31,275,723,361.16/156,688.90
  6. Step 6: Final answer
    x = 199,603.95

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