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Finding the Fourth Proportional to 97,222.40, 145,891.20 and 70,860.80

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Solution

The fourth proportional to 97,222.40, 145,891.20 and 70,860.80 is: 106,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,222.40 : 145,891.20 = 70,860.80 : x
  2. Step 2: Convert to fraction form
    97,222.40/145,891.20 = 70,860.80/x
  3. Step 3: Cross multiply
    97,222.40x = 145,891.20 × 70,860.80
  4. Step 4: Simplify right side
    97,222.40x = 10,337,967,144.96
  5. Step 5: Solve for x
    x = 10,337,967,144.96/97,222.40
  6. Step 6: Final answer
    x = 106,333.18

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