Home / 203,120.48-280,302.82-112,474.50

Finding the Fourth Proportional to 203,120.48, 280,302.82 and 112,474.50

Calculator

Solution

The fourth proportional to 203,120.48, 280,302.82 and 112,474.50 is: 155,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,120.48 : 280,302.82 = 112,474.50 : x
  2. Step 2: Convert to fraction form
    203,120.48/280,302.82 = 112,474.50/x
  3. Step 3: Cross multiply
    203,120.48x = 280,302.82 × 112,474.50
  4. Step 4: Simplify right side
    203,120.48x = 31,526,919,528.09
  5. Step 5: Solve for x
    x = 31,526,919,528.09/203,120.48
  6. Step 6: Final answer
    x = 155,212.90

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.