Home / 121,768.64-168,147.60-76,525.02

Finding the Fourth Proportional to 121,768.64, 168,147.60 and 76,525.02

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Solution

The fourth proportional to 121,768.64, 168,147.60 and 76,525.02 is: 105,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,768.64 : 168,147.60 = 76,525.02 : x
  2. Step 2: Convert to fraction form
    121,768.64/168,147.60 = 76,525.02/x
  3. Step 3: Cross multiply
    121,768.64x = 168,147.60 × 76,525.02
  4. Step 4: Simplify right side
    121,768.64x = 12,867,498,452.95
  5. Step 5: Solve for x
    x = 12,867,498,452.95/121,768.64
  6. Step 6: Final answer
    x = 105,671.69

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