Home / 215,811.49-297,816.60-120,315.73

Finding the Fourth Proportional to 215,811.49, 297,816.60 and 120,315.73

Calculator

Solution

The fourth proportional to 215,811.49, 297,816.60 and 120,315.73 is: 166,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,811.49 : 297,816.60 = 120,315.73 : x
  2. Step 2: Convert to fraction form
    215,811.49/297,816.60 = 120,315.73/x
  3. Step 3: Cross multiply
    215,811.49x = 297,816.60 × 120,315.73
  4. Step 4: Simplify right side
    215,811.49x = 35,832,021,635.12
  5. Step 5: Solve for x
    x = 35,832,021,635.12/215,811.49
  6. Step 6: Final answer
    x = 166,033.89

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.