Home / 213,138.54-294,133.61-117,645.28

Finding the Fourth Proportional to 213,138.54, 294,133.61 and 117,645.28

Calculator

Solution

The fourth proportional to 213,138.54, 294,133.61 and 117,645.28 is: 162,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,138.54 : 294,133.61 = 117,645.28 : x
  2. Step 2: Convert to fraction form
    213,138.54/294,133.61 = 117,645.28/x
  3. Step 3: Cross multiply
    213,138.54x = 294,133.61 × 117,645.28
  4. Step 4: Simplify right side
    213,138.54x = 34,603,430,464.64
  5. Step 5: Solve for x
    x = 34,603,430,464.64/213,138.54
  6. Step 6: Final answer
    x = 162,351.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.