Home / 190,492.72-262,891.74-105,609.78

Finding the Fourth Proportional to 190,492.72, 262,891.74 and 105,609.78

Calculator

Solution

The fourth proportional to 190,492.72, 262,891.74 and 105,609.78 is: 145,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.72 : 262,891.74 = 105,609.78 : x
  2. Step 2: Convert to fraction form
    190,492.72/262,891.74 = 105,609.78/x
  3. Step 3: Cross multiply
    190,492.72x = 262,891.74 × 105,609.78
  4. Step 4: Simplify right side
    190,492.72x = 27,763,938,627.20
  5. Step 5: Solve for x
    x = 27,763,938,627.20/190,492.72
  6. Step 6: Final answer
    x = 145,748.03

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.