Home / 153.62-211.83-107.06

Finding the Fourth Proportional to 153.62, 211.83 and 107.06

Calculator

Solution

The fourth proportional to 153.62, 211.83 and 107.06 is: 147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.62 : 211.83 = 107.06 : x
  2. Step 2: Convert to fraction form
    153.62/211.83 = 107.06/x
  3. Step 3: Cross multiply
    153.62x = 211.83 × 107.06
  4. Step 4: Simplify right side
    153.62x = 22,678.52
  5. Step 5: Solve for x
    x = 22,678.52/153.62
  6. Step 6: Final answer
    x = 147.63

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.