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Finding the Fourth Proportional to 133,056.70, 199,585.05 and 69,852.40

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Solution

The fourth proportional to 133,056.70, 199,585.05 and 69,852.40 is: 104,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.70 : 199,585.05 = 69,852.40 : x
  2. Step 2: Convert to fraction form
    133,056.70/199,585.05 = 69,852.40/x
  3. Step 3: Cross multiply
    133,056.70x = 199,585.05 × 69,852.40
  4. Step 4: Simplify right side
    133,056.70x = 13,941,494,746.62
  5. Step 5: Solve for x
    x = 13,941,494,746.62/133,056.70
  6. Step 6: Final answer
    x = 104,778.60

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