Home / 188.32-259.90-122.96

Finding the Fourth Proportional to 188.32, 259.90 and 122.96

Calculator

Solution

The fourth proportional to 188.32, 259.90 and 122.96 is: 169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.32 : 259.90 = 122.96 : x
  2. Step 2: Convert to fraction form
    188.32/259.90 = 122.96/x
  3. Step 3: Cross multiply
    188.32x = 259.90 × 122.96
  4. Step 4: Simplify right side
    188.32x = 31,955.39
  5. Step 5: Solve for x
    x = 31,955.39/188.32
  6. Step 6: Final answer
    x = 169.69

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.