Home / 136,584-188,488-76,968

Finding the Fourth Proportional to 136,584, 188,488 and 76,968

Calculator

Solution

The fourth proportional to 136,584, 188,488 and 76,968 is: 106,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,584 : 188,488 = 76,968 : x
  2. Step 2: Convert to fraction form
    136,584/188,488 = 76,968/x
  3. Step 3: Cross multiply
    136,584x = 188,488 × 76,968
  4. Step 4: Simplify right side
    136,584x = 14,507,544,384
  5. Step 5: Solve for x
    x = 14,507,544,384/136,584
  6. Step 6: Final answer
    x = 106,217.01

Related Problems

Find fourth proportional to 68,292, 94,244 and 38,484
Half scale
Find fourth proportional to 273,168, 376,976 and 153,936
Double scale
Find fourth proportional to 136,585, 188,489.38 and 76,969
Similar ratio
Find fourth proportional to 204,876, 282,732 and 115,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.