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Finding the Fourth Proportional to 97,762.80, 146,498.40 and 82,891.20

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Solution

The fourth proportional to 97,762.80, 146,498.40 and 82,891.20 is: 124,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,762.80 : 146,498.40 = 82,891.20 : x
  2. Step 2: Convert to fraction form
    97,762.80/146,498.40 = 82,891.20/x
  3. Step 3: Cross multiply
    97,762.80x = 146,498.40 × 82,891.20
  4. Step 4: Simplify right side
    97,762.80x = 12,143,428,174.08
  5. Step 5: Solve for x
    x = 12,143,428,174.08/97,762.80
  6. Step 6: Final answer
    x = 124,213.18

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