Home / 170,809-256,368.97-90,914.04

Finding the Fourth Proportional to 170,809, 256,368.97 and 90,914.04

Calculator

Solution

The fourth proportional to 170,809, 256,368.97 and 90,914.04 is: 136,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809 : 256,368.97 = 90,914.04 : x
  2. Step 2: Convert to fraction form
    170,809/256,368.97 = 90,914.04/x
  3. Step 3: Cross multiply
    170,809x = 256,368.97 × 90,914.04
  4. Step 4: Simplify right side
    170,809x = 23,307,538,793.34
  5. Step 5: Solve for x
    x = 23,307,538,793.34/170,809
  6. Step 6: Final answer
    x = 136,453.81

Related Problems

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.