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Finding the Fourth Proportional to 208,082.70, 312,124.05 and 173,090.70

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Solution

The fourth proportional to 208,082.70, 312,124.05 and 173,090.70 is: 259,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,082.70 : 312,124.05 = 173,090.70 : x
  2. Step 2: Convert to fraction form
    208,082.70/312,124.05 = 173,090.70/x
  3. Step 3: Cross multiply
    208,082.70x = 312,124.05 × 173,090.70
  4. Step 4: Simplify right side
    208,082.70x = 54,025,770,301.34
  5. Step 5: Solve for x
    x = 54,025,770,301.34/208,082.70
  6. Step 6: Final answer
    x = 259,636.05

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