Home / 123,382.08-170,260.38-69,678

Finding the Fourth Proportional to 123,382.08, 170,260.38 and 69,678

Calculator

Solution

The fourth proportional to 123,382.08, 170,260.38 and 69,678 is: 96,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,382.08 : 170,260.38 = 69,678 : x
  2. Step 2: Convert to fraction form
    123,382.08/170,260.38 = 69,678/x
  3. Step 3: Cross multiply
    123,382.08x = 170,260.38 × 69,678
  4. Step 4: Simplify right side
    123,382.08x = 11,863,402,757.64
  5. Step 5: Solve for x
    x = 11,863,402,757.64/123,382.08
  6. Step 6: Final answer
    x = 96,151.75

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.