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Finding the Fourth Proportional to 97,961.40, 146,723.40 and 80,465.40

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Solution

The fourth proportional to 97,961.40, 146,723.40 and 80,465.40 is: 120,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,961.40 : 146,723.40 = 80,465.40 : x
  2. Step 2: Convert to fraction form
    97,961.40/146,723.40 = 80,465.40/x
  3. Step 3: Cross multiply
    97,961.40x = 146,723.40 × 80,465.40
  4. Step 4: Simplify right side
    97,961.40x = 11,806,157,070.36
  5. Step 5: Solve for x
    x = 11,806,157,070.36/97,961.40
  6. Step 6: Final answer
    x = 120,518.46

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