Home / 136,669.68-188,599.59-80,079.84

Finding the Fourth Proportional to 136,669.68, 188,599.59 and 80,079.84

Calculator

Solution

The fourth proportional to 136,669.68, 188,599.59 and 80,079.84 is: 110,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,669.68 : 188,599.59 = 80,079.84 : x
  2. Step 2: Convert to fraction form
    136,669.68/188,599.59 = 80,079.84/x
  3. Step 3: Cross multiply
    136,669.68x = 188,599.59 × 80,079.84
  4. Step 4: Simplify right side
    136,669.68x = 15,103,024,991.27
  5. Step 5: Solve for x
    x = 15,103,024,991.27/136,669.68
  6. Step 6: Final answer
    x = 110,507.50

Related Problems

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.