Home / 89,126.78-122,975.01-50,874.12

Finding the Fourth Proportional to 89,126.78, 122,975.01 and 50,874.12

Calculator

Solution

The fourth proportional to 89,126.78, 122,975.01 and 50,874.12 is: 70,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.78 : 122,975.01 = 50,874.12 : x
  2. Step 2: Convert to fraction form
    89,126.78/122,975.01 = 50,874.12/x
  3. Step 3: Cross multiply
    89,126.78x = 122,975.01 × 50,874.12
  4. Step 4: Simplify right side
    89,126.78x = 6,256,245,415.74
  5. Step 5: Solve for x
    x = 6,256,245,415.74/89,126.78
  6. Step 6: Final answer
    x = 70,194.90

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.