Home / 315,151.45-472,731.28-104,789.39

Finding the Fourth Proportional to 315,151.45, 472,731.28 and 104,789.39

Calculator

Solution

The fourth proportional to 315,151.45, 472,731.28 and 104,789.39 is: 157,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,151.45 : 472,731.28 = 104,789.39 : x
  2. Step 2: Convert to fraction form
    315,151.45/472,731.28 = 104,789.39/x
  3. Step 3: Cross multiply
    315,151.45x = 472,731.28 × 104,789.39
  4. Step 4: Simplify right side
    315,151.45x = 49,537,223,088.04
  5. Step 5: Solve for x
    x = 49,537,223,088.04/315,151.45
  6. Step 6: Final answer
    x = 157,185.45

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.