Home / 100,516.88-150,775.32-45,074

Finding the Fourth Proportional to 100,516.88, 150,775.32 and 45,074

Calculator

Solution

The fourth proportional to 100,516.88, 150,775.32 and 45,074 is: 67,611

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,516.88 : 150,775.32 = 45,074 : x
  2. Step 2: Convert to fraction form
    100,516.88/150,775.32 = 45,074/x
  3. Step 3: Cross multiply
    100,516.88x = 150,775.32 × 45,074
  4. Step 4: Simplify right side
    100,516.88x = 6,796,046,773.68
  5. Step 5: Solve for x
    x = 6,796,046,773.68/100,516.88
  6. Step 6: Final answer
    x = 67,611

Related Problems

Find fourth proportional to 50,258.44, 75,387.66 and 22,537
Half scale
Find fourth proportional to 201,033.76, 301,550.64 and 90,148
Double scale
Find fourth proportional to 100,517.88, 150,776.82 and 45,075
Similar ratio
Find fourth proportional to 150,775.32, 226,162.98 and 67,611
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.