Home / 281,943.77-422,993.75-130,187.23

Finding the Fourth Proportional to 281,943.77, 422,993.75 and 130,187.23

Calculator

Solution

The fourth proportional to 281,943.77, 422,993.75 and 130,187.23 is: 195,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,943.77 : 422,993.75 = 130,187.23 : x
  2. Step 2: Convert to fraction form
    281,943.77/422,993.75 = 130,187.23/x
  3. Step 3: Cross multiply
    281,943.77x = 422,993.75 × 130,187.23
  4. Step 4: Simplify right side
    281,943.77x = 55,068,382,911.39
  5. Step 5: Solve for x
    x = 55,068,382,911.39/281,943.77
  6. Step 6: Final answer
    x = 195,316.90

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.