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Finding the Fourth Proportional to 96,959.20, 145,438.80 and 30,405.14

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Solution

The fourth proportional to 96,959.20, 145,438.80 and 30,405.14 is: 45,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959.20 : 145,438.80 = 30,405.14 : x
  2. Step 2: Convert to fraction form
    96,959.20/145,438.80 = 30,405.14/x
  3. Step 3: Cross multiply
    96,959.20x = 145,438.80 × 30,405.14
  4. Step 4: Simplify right side
    96,959.20x = 4,422,087,075.43
  5. Step 5: Solve for x
    x = 4,422,087,075.43/96,959.20
  6. Step 6: Final answer
    x = 45,607.71

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