Home / 83,908.58-115,734.89-55,219.10

Finding the Fourth Proportional to 83,908.58, 115,734.89 and 55,219.10

Calculator

Solution

The fourth proportional to 83,908.58, 115,734.89 and 55,219.10 is: 76,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,908.58 : 115,734.89 = 55,219.10 : x
  2. Step 2: Convert to fraction form
    83,908.58/115,734.89 = 55,219.10/x
  3. Step 3: Cross multiply
    83,908.58x = 115,734.89 × 55,219.10
  4. Step 4: Simplify right side
    83,908.58x = 6,390,776,023.77
  5. Step 5: Solve for x
    x = 6,390,776,023.77/83,908.58
  6. Step 6: Final answer
    x = 76,163.56

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.