Home / 308,090-462,135-111,098

Finding the Fourth Proportional to 308,090, 462,135 and 111,098

Calculator

Solution

The fourth proportional to 308,090, 462,135 and 111,098 is: 166,647

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,090 : 462,135 = 111,098 : x
  2. Step 2: Convert to fraction form
    308,090/462,135 = 111,098/x
  3. Step 3: Cross multiply
    308,090x = 462,135 × 111,098
  4. Step 4: Simplify right side
    308,090x = 51,342,274,230
  5. Step 5: Solve for x
    x = 51,342,274,230/308,090
  6. Step 6: Final answer
    x = 166,647

Related Problems

Find fourth proportional to 154,045, 231,067.50 and 55,549
Half scale
Find fourth proportional to 616,180, 924,270 and 222,196
Double scale
Find fourth proportional to 308,091, 462,136.50 and 111,099
Similar ratio
Find fourth proportional to 462,135, 693,202.50 and 166,647
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.