Home / 139,067.10-208,552.05-72,485.10

Finding the Fourth Proportional to 139,067.10, 208,552.05 and 72,485.10

Calculator

Solution

The fourth proportional to 139,067.10, 208,552.05 and 72,485.10 is: 108,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,067.10 : 208,552.05 = 72,485.10 : x
  2. Step 2: Convert to fraction form
    139,067.10/208,552.05 = 72,485.10/x
  3. Step 3: Cross multiply
    139,067.10x = 208,552.05 × 72,485.10
  4. Step 4: Simplify right side
    139,067.10x = 15,116,916,199.46
  5. Step 5: Solve for x
    x = 15,116,916,199.46/139,067.10
  6. Step 6: Final answer
    x = 108,702.32

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.