Home / 117.04-161.64-107.32

Finding the Fourth Proportional to 117.04, 161.64 and 107.32

Calculator

Solution

The fourth proportional to 117.04, 161.64 and 107.32 is: 148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.04 : 161.64 = 107.32 : x
  2. Step 2: Convert to fraction form
    117.04/161.64 = 107.32/x
  3. Step 3: Cross multiply
    117.04x = 161.64 × 107.32
  4. Step 4: Simplify right side
    117.04x = 17,347.20
  5. Step 5: Solve for x
    x = 17,347.20/117.04
  6. Step 6: Final answer
    x = 148.22

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.