Home / 147,608-221,412-49,112

Finding the Fourth Proportional to 147,608, 221,412 and 49,112

Calculator

Solution

The fourth proportional to 147,608, 221,412 and 49,112 is: 73,668

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,608 : 221,412 = 49,112 : x
  2. Step 2: Convert to fraction form
    147,608/221,412 = 49,112/x
  3. Step 3: Cross multiply
    147,608x = 221,412 × 49,112
  4. Step 4: Simplify right side
    147,608x = 10,873,986,144
  5. Step 5: Solve for x
    x = 10,873,986,144/147,608
  6. Step 6: Final answer
    x = 73,668

Related Problems

Find fourth proportional to 73,804, 110,706 and 24,556
Half scale
Find fourth proportional to 295,216, 442,824 and 98,224
Double scale
Find fourth proportional to 147,609, 221,413.50 and 49,113
Similar ratio
Find fourth proportional to 221,412, 332,118 and 73,668
1.5x scale

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.