Home / 155.37-214.57-134.55

Finding the Fourth Proportional to 155.37, 214.57 and 134.55

Calculator

Solution

The fourth proportional to 155.37, 214.57 and 134.55 is: 185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.37 : 214.57 = 134.55 : x
  2. Step 2: Convert to fraction form
    155.37/214.57 = 134.55/x
  3. Step 3: Cross multiply
    155.37x = 214.57 × 134.55
  4. Step 4: Simplify right side
    155.37x = 28,870.39
  5. Step 5: Solve for x
    x = 28,870.39/155.37
  6. Step 6: Final answer
    x = 185.82

Related Problems

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.