Home / 111,225.87-153,561.38-85,684.14

Finding the Fourth Proportional to 111,225.87, 153,561.38 and 85,684.14

Calculator

Solution

The fourth proportional to 111,225.87, 153,561.38 and 85,684.14 is: 118,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.87 : 153,561.38 = 85,684.14 : x
  2. Step 2: Convert to fraction form
    111,225.87/153,561.38 = 85,684.14/x
  3. Step 3: Cross multiply
    111,225.87x = 153,561.38 × 85,684.14
  4. Step 4: Simplify right side
    111,225.87x = 13,157,774,354.09
  5. Step 5: Solve for x
    x = 13,157,774,354.09/111,225.87
  6. Step 6: Final answer
    x = 118,297.79

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.