Home / 100,110.83-138,106.26-57,644.75

Finding the Fourth Proportional to 100,110.83, 138,106.26 and 57,644.75

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Solution

The fourth proportional to 100,110.83, 138,106.26 and 57,644.75 is: 79,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,110.83 : 138,106.26 = 57,644.75 : x
  2. Step 2: Convert to fraction form
    100,110.83/138,106.26 = 57,644.75/x
  3. Step 3: Cross multiply
    100,110.83x = 138,106.26 × 57,644.75
  4. Step 4: Simplify right side
    100,110.83x = 7,961,100,140.60
  5. Step 5: Solve for x
    x = 7,961,100,140.60/100,110.83
  6. Step 6: Final answer
    x = 79,522.87

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