Home / 121,193.40-167,136.30-76,403.64

Finding the Fourth Proportional to 121,193.40, 167,136.30 and 76,403.64

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Solution

The fourth proportional to 121,193.40, 167,136.30 and 76,403.64 is: 105,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,193.40 : 167,136.30 = 76,403.64 : x
  2. Step 2: Convert to fraction form
    121,193.40/167,136.30 = 76,403.64/x
  3. Step 3: Cross multiply
    121,193.40x = 167,136.30 × 76,403.64
  4. Step 4: Simplify right side
    121,193.40x = 12,769,821,696.13
  5. Step 5: Solve for x
    x = 12,769,821,696.13/121,193.40
  6. Step 6: Final answer
    x = 105,367.30

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