Home / 201,768.98-278,142.33-129,161.18

Finding the Fourth Proportional to 201,768.98, 278,142.33 and 129,161.18

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Solution

The fourth proportional to 201,768.98, 278,142.33 and 129,161.18 is: 178,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,768.98 : 278,142.33 = 129,161.18 : x
  2. Step 2: Convert to fraction form
    201,768.98/278,142.33 = 129,161.18/x
  3. Step 3: Cross multiply
    201,768.98x = 278,142.33 × 129,161.18
  4. Step 4: Simplify right side
    201,768.98x = 35,925,191,550.75
  5. Step 5: Solve for x
    x = 35,925,191,550.75/201,768.98
  6. Step 6: Final answer
    x = 178,051.11

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