Home / 118,891.32-178,395.35-47,811.09

Finding the Fourth Proportional to 118,891.32, 178,395.35 and 47,811.09

Calculator

Solution

The fourth proportional to 118,891.32, 178,395.35 and 47,811.09 is: 71,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.32 : 178,395.35 = 47,811.09 : x
  2. Step 2: Convert to fraction form
    118,891.32/178,395.35 = 47,811.09/x
  3. Step 3: Cross multiply
    118,891.32x = 178,395.35 × 47,811.09
  4. Step 4: Simplify right side
    118,891.32x = 8,529,275,260.85
  5. Step 5: Solve for x
    x = 8,529,275,260.85/118,891.32
  6. Step 6: Final answer
    x = 71,740.10

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.