Home / 107,508.80-161,263.20-74,331.20

Finding the Fourth Proportional to 107,508.80, 161,263.20 and 74,331.20

Calculator

Solution

The fourth proportional to 107,508.80, 161,263.20 and 74,331.20 is: 111,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,508.80 : 161,263.20 = 74,331.20 : x
  2. Step 2: Convert to fraction form
    107,508.80/161,263.20 = 74,331.20/x
  3. Step 3: Cross multiply
    107,508.80x = 161,263.20 × 74,331.20
  4. Step 4: Simplify right side
    107,508.80x = 11,986,887,171.84
  5. Step 5: Solve for x
    x = 11,986,887,171.84/107,508.80
  6. Step 6: Final answer
    x = 111,496.80

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.