Home / 189,584.54-261,745.00-120,712.88

Finding the Fourth Proportional to 189,584.54, 261,745.00 and 120,712.88

Calculator

Solution

The fourth proportional to 189,584.54, 261,745.00 and 120,712.88 is: 166,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,584.54 : 261,745.00 = 120,712.88 : x
  2. Step 2: Convert to fraction form
    189,584.54/261,745.00 = 120,712.88/x
  3. Step 3: Cross multiply
    189,584.54x = 261,745.00 × 120,712.88
  4. Step 4: Simplify right side
    189,584.54x = 31,595,991,165.09
  5. Step 5: Solve for x
    x = 31,595,991,165.09/189,584.54
  6. Step 6: Final answer
    x = 166,659.11

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.