Home / 166,855.53-230,258.79-90,372.72

Finding the Fourth Proportional to 166,855.53, 230,258.79 and 90,372.72

Calculator

Solution

The fourth proportional to 166,855.53, 230,258.79 and 90,372.72 is: 124,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,855.53 : 230,258.79 = 90,372.72 : x
  2. Step 2: Convert to fraction form
    166,855.53/230,258.79 = 90,372.72/x
  3. Step 3: Cross multiply
    166,855.53x = 230,258.79 × 90,372.72
  4. Step 4: Simplify right side
    166,855.53x = 20,809,113,156.21
  5. Step 5: Solve for x
    x = 20,809,113,156.21/166,855.53
  6. Step 6: Final answer
    x = 124,713.36

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.