Home / 259,928.80-389,590.80-119,701.60

Finding the Fourth Proportional to 259,928.80, 389,590.80 and 119,701.60

Calculator

Solution

The fourth proportional to 259,928.80, 389,590.80 and 119,701.60 is: 179,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,928.80 : 389,590.80 = 119,701.60 : x
  2. Step 2: Convert to fraction form
    259,928.80/389,590.80 = 119,701.60/x
  3. Step 3: Cross multiply
    259,928.80x = 389,590.80 × 119,701.60
  4. Step 4: Simplify right side
    259,928.80x = 46,634,642,105.28
  5. Step 5: Solve for x
    x = 46,634,642,105.28/259,928.80
  6. Step 6: Final answer
    x = 179,413.14

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.