Home / 123,048.48-184,304.64-80,880.96

Finding the Fourth Proportional to 123,048.48, 184,304.64 and 80,880.96

Calculator

Solution

The fourth proportional to 123,048.48, 184,304.64 and 80,880.96 is: 121,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048.48 : 184,304.64 = 80,880.96 : x
  2. Step 2: Convert to fraction form
    123,048.48/184,304.64 = 80,880.96/x
  3. Step 3: Cross multiply
    123,048.48x = 184,304.64 × 80,880.96
  4. Step 4: Simplify right side
    123,048.48x = 14,906,736,215.65
  5. Step 5: Solve for x
    x = 14,906,736,215.65/123,048.48
  6. Step 6: Final answer
    x = 121,145.23

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.