Home / 111,791.22-154,302.21-65,890.95

Finding the Fourth Proportional to 111,791.22, 154,302.21 and 65,890.95

Calculator

Solution

The fourth proportional to 111,791.22, 154,302.21 and 65,890.95 is: 90,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,791.22 : 154,302.21 = 65,890.95 : x
  2. Step 2: Convert to fraction form
    111,791.22/154,302.21 = 65,890.95/x
  3. Step 3: Cross multiply
    111,791.22x = 154,302.21 × 65,890.95
  4. Step 4: Simplify right side
    111,791.22x = 10,167,119,204.00
  5. Step 5: Solve for x
    x = 10,167,119,204.00/111,791.22
  6. Step 6: Final answer
    x = 90,947.39

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.