Home / 114.25-157.65-77.46

Finding the Fourth Proportional to 114.25, 157.65 and 77.46

Calculator

Solution

The fourth proportional to 114.25, 157.65 and 77.46 is: 106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.25 : 157.65 = 77.46 : x
  2. Step 2: Convert to fraction form
    114.25/157.65 = 77.46/x
  3. Step 3: Cross multiply
    114.25x = 157.65 × 77.46
  4. Step 4: Simplify right side
    114.25x = 12,210.69
  5. Step 5: Solve for x
    x = 12,210.69/114.25
  6. Step 6: Final answer
    x = 106.88

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.