Home / 190,311.60-285,121.80-155,060.40

Finding the Fourth Proportional to 190,311.60, 285,121.80 and 155,060.40

Calculator

Solution

The fourth proportional to 190,311.60, 285,121.80 and 155,060.40 is: 232,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,311.60 : 285,121.80 = 155,060.40 : x
  2. Step 2: Convert to fraction form
    190,311.60/285,121.80 = 155,060.40/x
  3. Step 3: Cross multiply
    190,311.60x = 285,121.80 × 155,060.40
  4. Step 4: Simplify right side
    190,311.60x = 44,211,100,356.72
  5. Step 5: Solve for x
    x = 44,211,100,356.72/190,311.60
  6. Step 6: Final answer
    x = 232,309.02

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.