Home / 124,057.80-171,226.98-81,620.28

Finding the Fourth Proportional to 124,057.80, 171,226.98 and 81,620.28

Calculator

Solution

The fourth proportional to 124,057.80, 171,226.98 and 81,620.28 is: 112,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057.80 : 171,226.98 = 81,620.28 : x
  2. Step 2: Convert to fraction form
    124,057.80/171,226.98 = 81,620.28/x
  3. Step 3: Cross multiply
    124,057.80x = 171,226.98 × 81,620.28
  4. Step 4: Simplify right side
    124,057.80x = 13,975,594,051.15
  5. Step 5: Solve for x
    x = 13,975,594,051.15/124,057.80
  6. Step 6: Final answer
    x = 112,653.89

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.