Home / 203,740.23-305,610.08-77,380.23

Finding the Fourth Proportional to 203,740.23, 305,610.08 and 77,380.23

Calculator

Solution

The fourth proportional to 203,740.23, 305,610.08 and 77,380.23 is: 116,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,740.23 : 305,610.08 = 77,380.23 : x
  2. Step 2: Convert to fraction form
    203,740.23/305,610.08 = 77,380.23/x
  3. Step 3: Cross multiply
    203,740.23x = 305,610.08 × 77,380.23
  4. Step 4: Simplify right side
    203,740.23x = 23,648,177,893.82
  5. Step 5: Solve for x
    x = 23,648,177,893.82/203,740.23
  6. Step 6: Final answer
    x = 116,070.24

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.