Home / 125,820.72-188,439.42-75,791.52

Finding the Fourth Proportional to 125,820.72, 188,439.42 and 75,791.52

Calculator

Solution

The fourth proportional to 125,820.72, 188,439.42 and 75,791.52 is: 113,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820.72 : 188,439.42 = 75,791.52 : x
  2. Step 2: Convert to fraction form
    125,820.72/188,439.42 = 75,791.52/x
  3. Step 3: Cross multiply
    125,820.72x = 188,439.42 × 75,791.52
  4. Step 4: Simplify right side
    125,820.72x = 14,282,110,069.72
  5. Step 5: Solve for x
    x = 14,282,110,069.72/125,820.72
  6. Step 6: Final answer
    x = 113,511.59

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.