Home / 155,515.44-214,618.12-87,536.80

Finding the Fourth Proportional to 155,515.44, 214,618.12 and 87,536.80

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Solution

The fourth proportional to 155,515.44, 214,618.12 and 87,536.80 is: 120,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,515.44 : 214,618.12 = 87,536.80 : x
  2. Step 2: Convert to fraction form
    155,515.44/214,618.12 = 87,536.80/x
  3. Step 3: Cross multiply
    155,515.44x = 214,618.12 × 87,536.80
  4. Step 4: Simplify right side
    155,515.44x = 18,786,983,446.82
  5. Step 5: Solve for x
    x = 18,786,983,446.82/155,515.44
  6. Step 6: Final answer
    x = 120,804.62

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