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Finding the Fourth Proportional to 138,202.96, 207,406.92 and 102,746.32

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Solution

The fourth proportional to 138,202.96, 207,406.92 and 102,746.32 is: 154,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,202.96 : 207,406.92 = 102,746.32 : x
  2. Step 2: Convert to fraction form
    138,202.96/207,406.92 = 102,746.32/x
  3. Step 3: Cross multiply
    138,202.96x = 207,406.92 × 102,746.32
  4. Step 4: Simplify right side
    138,202.96x = 21,310,297,772.53
  5. Step 5: Solve for x
    x = 21,310,297,772.53/138,202.96
  6. Step 6: Final answer
    x = 154,195.67

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