Home / 190,550.88-285,784.61-78,120.45

Finding the Fourth Proportional to 190,550.88, 285,784.61 and 78,120.45

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Solution

The fourth proportional to 190,550.88, 285,784.61 and 78,120.45 is: 117,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,550.88 : 285,784.61 = 78,120.45 : x
  2. Step 2: Convert to fraction form
    190,550.88/285,784.61 = 78,120.45/x
  3. Step 3: Cross multiply
    190,550.88x = 285,784.61 × 78,120.45
  4. Step 4: Simplify right side
    190,550.88x = 22,325,621,945.67
  5. Step 5: Solve for x
    x = 22,325,621,945.67/190,550.88
  6. Step 6: Final answer
    x = 117,163.57

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