Home / 100.69-150.89-46.47

Finding the Fourth Proportional to 100.69, 150.89 and 46.47

Calculator

Solution

The fourth proportional to 100.69, 150.89 and 46.47 is: 69.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.69 : 150.89 = 46.47 : x
  2. Step 2: Convert to fraction form
    100.69/150.89 = 46.47/x
  3. Step 3: Cross multiply
    100.69x = 150.89 × 46.47
  4. Step 4: Simplify right side
    100.69x = 7,012.32
  5. Step 5: Solve for x
    x = 7,012.32/100.69
  6. Step 6: Final answer
    x = 69.64

Related Problems

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.