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Finding the Fourth Proportional to 145,919.40, 218,879.10 and 143,951.10

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Solution

The fourth proportional to 145,919.40, 218,879.10 and 143,951.10 is: 215,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,919.40 : 218,879.10 = 143,951.10 : x
  2. Step 2: Convert to fraction form
    145,919.40/218,879.10 = 143,951.10/x
  3. Step 3: Cross multiply
    145,919.40x = 218,879.10 × 143,951.10
  4. Step 4: Simplify right side
    145,919.40x = 31,507,887,212.01
  5. Step 5: Solve for x
    x = 31,507,887,212.01/145,919.40
  6. Step 6: Final answer
    x = 215,926.65

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