Home / 108,812.72-150,123.04-71,108.84

Finding the Fourth Proportional to 108,812.72, 150,123.04 and 71,108.84

Calculator

Solution

The fourth proportional to 108,812.72, 150,123.04 and 71,108.84 is: 98,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,812.72 : 150,123.04 = 71,108.84 : x
  2. Step 2: Convert to fraction form
    108,812.72/150,123.04 = 71,108.84/x
  3. Step 3: Cross multiply
    108,812.72x = 150,123.04 × 71,108.84
  4. Step 4: Simplify right side
    108,812.72x = 10,675,075,231.67
  5. Step 5: Solve for x
    x = 10,675,075,231.67/108,812.72
  6. Step 6: Final answer
    x = 98,105.03

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.