Home / 123,866.30-170,934.55-67,278.08

Finding the Fourth Proportional to 123,866.30, 170,934.55 and 67,278.08

Calculator

Solution

The fourth proportional to 123,866.30, 170,934.55 and 67,278.08 is: 92,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,866.30 : 170,934.55 = 67,278.08 : x
  2. Step 2: Convert to fraction form
    123,866.30/170,934.55 = 67,278.08/x
  3. Step 3: Cross multiply
    123,866.30x = 170,934.55 × 67,278.08
  4. Step 4: Simplify right side
    123,866.30x = 11,500,147,306.80
  5. Step 5: Solve for x
    x = 11,500,147,306.80/123,866.30
  6. Step 6: Final answer
    x = 92,843.23

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.