Home / 188,556.78-260,209.32-103,679.30

Finding the Fourth Proportional to 188,556.78, 260,209.32 and 103,679.30

Calculator

Solution

The fourth proportional to 188,556.78, 260,209.32 and 103,679.30 is: 143,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,556.78 : 260,209.32 = 103,679.30 : x
  2. Step 2: Convert to fraction form
    188,556.78/260,209.32 = 103,679.30/x
  3. Step 3: Cross multiply
    188,556.78x = 260,209.32 × 103,679.30
  4. Step 4: Simplify right side
    188,556.78x = 26,978,320,151.08
  5. Step 5: Solve for x
    x = 26,978,320,151.08/188,556.78
  6. Step 6: Final answer
    x = 143,077.96

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.