Home / 120,106.22-165,746.53-66,391.26

Finding the Fourth Proportional to 120,106.22, 165,746.53 and 66,391.26

Calculator

Solution

The fourth proportional to 120,106.22, 165,746.53 and 66,391.26 is: 91,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,106.22 : 165,746.53 = 66,391.26 : x
  2. Step 2: Convert to fraction form
    120,106.22/165,746.53 = 66,391.26/x
  3. Step 3: Cross multiply
    120,106.22x = 165,746.53 × 66,391.26
  4. Step 4: Simplify right side
    120,106.22x = 11,004,120,967.33
  5. Step 5: Solve for x
    x = 11,004,120,967.33/120,106.22
  6. Step 6: Final answer
    x = 91,619.91

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.