Home / 111,352.60-166,640.10-76,360.60

Finding the Fourth Proportional to 111,352.60, 166,640.10 and 76,360.60

Calculator

Solution

The fourth proportional to 111,352.60, 166,640.10 and 76,360.60 is: 114,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.60 : 166,640.10 = 76,360.60 : x
  2. Step 2: Convert to fraction form
    111,352.60/166,640.10 = 76,360.60/x
  3. Step 3: Cross multiply
    111,352.60x = 166,640.10 × 76,360.60
  4. Step 4: Simplify right side
    111,352.60x = 12,724,738,020.06
  5. Step 5: Solve for x
    x = 12,724,738,020.06/111,352.60
  6. Step 6: Final answer
    x = 114,274.28

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.