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Finding the Fourth Proportional to 248,907.40, 373,142.40 and 149,107.30

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Solution

The fourth proportional to 248,907.40, 373,142.40 and 149,107.30 is: 223,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907.40 : 373,142.40 = 149,107.30 : x
  2. Step 2: Convert to fraction form
    248,907.40/373,142.40 = 149,107.30/x
  3. Step 3: Cross multiply
    248,907.40x = 373,142.40 × 149,107.30
  4. Step 4: Simplify right side
    248,907.40x = 55,638,255,779.52
  5. Step 5: Solve for x
    x = 55,638,255,779.52/248,907.40
  6. Step 6: Final answer
    x = 223,529.94

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