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Finding the Fourth Proportional to 124,064.12, 171,224.84 and 120,686.60

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Solution

The fourth proportional to 124,064.12, 171,224.84 and 120,686.60 is: 166,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.12 : 171,224.84 = 120,686.60 : x
  2. Step 2: Convert to fraction form
    124,064.12/171,224.84 = 120,686.60/x
  3. Step 3: Cross multiply
    124,064.12x = 171,224.84 × 120,686.60
  4. Step 4: Simplify right side
    124,064.12x = 20,664,543,775.14
  5. Step 5: Solve for x
    x = 20,664,543,775.14/124,064.12
  6. Step 6: Final answer
    x = 166,563.42

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