Home / 146-201.48-100

Finding the Fourth Proportional to 146, 201.48 and 100

Calculator

Solution

The fourth proportional to 146, 201.48 and 100 is: 138

Step by Step Solution

  1. Step 1: Write the proportion equation
    146 : 201.48 = 100 : x
  2. Step 2: Convert to fraction form
    146/201.48 = 100/x
  3. Step 3: Cross multiply
    146x = 201.48 × 100
  4. Step 4: Simplify right side
    146x = 20,148
  5. Step 5: Solve for x
    x = 20,148/146
  6. Step 6: Final answer
    x = 138

Related Problems

Find fourth proportional to 73, 100.74 and 50
Half scale
Find fourth proportional to 292, 402.96 and 200
Double scale
Find fourth proportional to 147, 202.86 and 101
Similar ratio
Find fourth proportional to 219, 302.22 and 150
1.5x scale

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.