Home / 93.45-140-67.73

Finding the Fourth Proportional to 93.45, 140 and 67.73

Calculator

Solution

The fourth proportional to 93.45, 140 and 67.73 is: 101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.45 : 140 = 67.73 : x
  2. Step 2: Convert to fraction form
    93.45/140 = 67.73/x
  3. Step 3: Cross multiply
    93.45x = 140 × 67.73
  4. Step 4: Simplify right side
    93.45x = 9,482.20
  5. Step 5: Solve for x
    x = 9,482.20/93.45
  6. Step 6: Final answer
    x = 101.47

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.