Home / 100,893.44-139,231.68-55,570.52

Finding the Fourth Proportional to 100,893.44, 139,231.68 and 55,570.52

Calculator

Solution

The fourth proportional to 100,893.44, 139,231.68 and 55,570.52 is: 76,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,893.44 : 139,231.68 = 55,570.52 : x
  2. Step 2: Convert to fraction form
    100,893.44/139,231.68 = 55,570.52/x
  3. Step 3: Cross multiply
    100,893.44x = 139,231.68 × 55,570.52
  4. Step 4: Simplify right side
    100,893.44x = 7,737,176,858.07
  5. Step 5: Solve for x
    x = 7,737,176,858.07/100,893.44
  6. Step 6: Final answer
    x = 76,686.62

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.