Home / 120,754.80-181,132.20-92,728.80

Finding the Fourth Proportional to 120,754.80, 181,132.20 and 92,728.80

Calculator

Solution

The fourth proportional to 120,754.80, 181,132.20 and 92,728.80 is: 139,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,754.80 : 181,132.20 = 92,728.80 : x
  2. Step 2: Convert to fraction form
    120,754.80/181,132.20 = 92,728.80/x
  3. Step 3: Cross multiply
    120,754.80x = 181,132.20 × 92,728.80
  4. Step 4: Simplify right side
    120,754.80x = 16,796,171,547.36
  5. Step 5: Solve for x
    x = 16,796,171,547.36/120,754.80
  6. Step 6: Final answer
    x = 139,093.20

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.