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Finding the Fourth Proportional to 96,000.40, 143,806.20 and 66,451.60

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Solution

The fourth proportional to 96,000.40, 143,806.20 and 66,451.60 is: 99,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,000.40 : 143,806.20 = 66,451.60 : x
  2. Step 2: Convert to fraction form
    96,000.40/143,806.20 = 66,451.60/x
  3. Step 3: Cross multiply
    96,000.40x = 143,806.20 × 66,451.60
  4. Step 4: Simplify right side
    96,000.40x = 9,556,152,079.92
  5. Step 5: Solve for x
    x = 9,556,152,079.92/96,000.40
  6. Step 6: Final answer
    x = 99,542.84

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