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Finding the Fourth Proportional to 123,965.40, 185,948.10 and 71,477.40

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Solution

The fourth proportional to 123,965.40, 185,948.10 and 71,477.40 is: 107,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,965.40 : 185,948.10 = 71,477.40 : x
  2. Step 2: Convert to fraction form
    123,965.40/185,948.10 = 71,477.40/x
  3. Step 3: Cross multiply
    123,965.40x = 185,948.10 × 71,477.40
  4. Step 4: Simplify right side
    123,965.40x = 13,291,086,722.94
  5. Step 5: Solve for x
    x = 13,291,086,722.94/123,965.40
  6. Step 6: Final answer
    x = 107,216.10

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