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Finding the Fourth Proportional to 162,907.40, 244,288.20 and 74,115.20

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Solution

The fourth proportional to 162,907.40, 244,288.20 and 74,115.20 is: 111,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,907.40 : 244,288.20 = 74,115.20 : x
  2. Step 2: Convert to fraction form
    162,907.40/244,288.20 = 74,115.20/x
  3. Step 3: Cross multiply
    162,907.40x = 244,288.20 × 74,115.20
  4. Step 4: Simplify right side
    162,907.40x = 18,105,468,800.64
  5. Step 5: Solve for x
    x = 18,105,468,800.64/162,907.40
  6. Step 6: Final answer
    x = 111,139.63

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