Home / 413.90-620.94-125.36

Finding the Fourth Proportional to 413.90, 620.94 and 125.36

Calculator

Solution

The fourth proportional to 413.90, 620.94 and 125.36 is: 188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.90 : 620.94 = 125.36 : x
  2. Step 2: Convert to fraction form
    413.90/620.94 = 125.36/x
  3. Step 3: Cross multiply
    413.90x = 620.94 × 125.36
  4. Step 4: Simplify right side
    413.90x = 77,839.02
  5. Step 5: Solve for x
    x = 77,839.02/413.90
  6. Step 6: Final answer
    x = 188.06

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.