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Finding the Fourth Proportional to 230,815.40, 346,269.90 and 131,023.40

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Solution

The fourth proportional to 230,815.40, 346,269.90 and 131,023.40 is: 196,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,815.40 : 346,269.90 = 131,023.40 : x
  2. Step 2: Convert to fraction form
    230,815.40/346,269.90 = 131,023.40/x
  3. Step 3: Cross multiply
    230,815.40x = 346,269.90 × 131,023.40
  4. Step 4: Simplify right side
    230,815.40x = 45,369,459,615.66
  5. Step 5: Solve for x
    x = 45,369,459,615.66/230,815.40
  6. Step 6: Final answer
    x = 196,561.67

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