Home / 291,096-436,644-80,733.94

Finding the Fourth Proportional to 291,096, 436,644 and 80,733.94

Calculator

Solution

The fourth proportional to 291,096, 436,644 and 80,733.94 is: 121,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,096 : 436,644 = 80,733.94 : x
  2. Step 2: Convert to fraction form
    291,096/436,644 = 80,733.94/x
  3. Step 3: Cross multiply
    291,096x = 436,644 × 80,733.94
  4. Step 4: Simplify right side
    291,096x = 35,251,989,405.75
  5. Step 5: Solve for x
    x = 35,251,989,405.75/291,096
  6. Step 6: Final answer
    x = 121,100.91

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.