Home / 128,032.40-192,048.60-125,440.40

Finding the Fourth Proportional to 128,032.40, 192,048.60 and 125,440.40

Calculator

Solution

The fourth proportional to 128,032.40, 192,048.60 and 125,440.40 is: 188,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,032.40 : 192,048.60 = 125,440.40 : x
  2. Step 2: Convert to fraction form
    128,032.40/192,048.60 = 125,440.40/x
  3. Step 3: Cross multiply
    128,032.40x = 192,048.60 × 125,440.40
  4. Step 4: Simplify right side
    128,032.40x = 24,090,653,203.44
  5. Step 5: Solve for x
    x = 24,090,653,203.44/128,032.40
  6. Step 6: Final answer
    x = 188,160.60

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.