Home / 93.72-141.41-89.98

Finding the Fourth Proportional to 93.72, 141.41 and 89.98

Calculator

Solution

The fourth proportional to 93.72, 141.41 and 89.98 is: 135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.72 : 141.41 = 89.98 : x
  2. Step 2: Convert to fraction form
    93.72/141.41 = 89.98/x
  3. Step 3: Cross multiply
    93.72x = 141.41 × 89.98
  4. Step 4: Simplify right side
    93.72x = 12,723.94
  5. Step 5: Solve for x
    x = 12,723.94/93.72
  6. Step 6: Final answer
    x = 135.77

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.