Home / 307,977.12-461,978.64-105,712.56

Finding the Fourth Proportional to 307,977.12, 461,978.64 and 105,712.56

Calculator

Solution

The fourth proportional to 307,977.12, 461,978.64 and 105,712.56 is: 158,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,977.12 : 461,978.64 = 105,712.56 : x
  2. Step 2: Convert to fraction form
    307,977.12/461,978.64 = 105,712.56/x
  3. Step 3: Cross multiply
    307,977.12x = 461,978.64 × 105,712.56
  4. Step 4: Simplify right side
    307,977.12x = 48,836,944,699.72
  5. Step 5: Solve for x
    x = 48,836,944,699.72/307,977.12
  6. Step 6: Final answer
    x = 158,573.29

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.