Home / 101,070.97-139,475.50-55,747.98

Finding the Fourth Proportional to 101,070.97, 139,475.50 and 55,747.98

Calculator

Solution

The fourth proportional to 101,070.97, 139,475.50 and 55,747.98 is: 76,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,070.97 : 139,475.50 = 55,747.98 : x
  2. Step 2: Convert to fraction form
    101,070.97/139,475.50 = 55,747.98/x
  3. Step 3: Cross multiply
    101,070.97x = 139,475.50 × 55,747.98
  4. Step 4: Simplify right side
    101,070.97x = 7,775,477,245.12
  5. Step 5: Solve for x
    x = 7,775,477,245.12/101,070.97
  6. Step 6: Final answer
    x = 76,930.87

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.