Home / 155,316.41-214,231.26-100,771.12

Finding the Fourth Proportional to 155,316.41, 214,231.26 and 100,771.12

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Solution

The fourth proportional to 155,316.41, 214,231.26 and 100,771.12 is: 138,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,316.41 : 214,231.26 = 100,771.12 : x
  2. Step 2: Convert to fraction form
    155,316.41/214,231.26 = 100,771.12/x
  3. Step 3: Cross multiply
    155,316.41x = 214,231.26 × 100,771.12
  4. Step 4: Simplify right side
    155,316.41x = 21,588,323,473.63
  5. Step 5: Solve for x
    x = 21,588,323,473.63/155,316.41
  6. Step 6: Final answer
    x = 138,995.77

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