Home / 120,287.48-165,995.50-66,572.60

Finding the Fourth Proportional to 120,287.48, 165,995.50 and 66,572.60

Calculator

Solution

The fourth proportional to 120,287.48, 165,995.50 and 66,572.60 is: 91,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,287.48 : 165,995.50 = 66,572.60 : x
  2. Step 2: Convert to fraction form
    120,287.48/165,995.50 = 66,572.60/x
  3. Step 3: Cross multiply
    120,287.48x = 165,995.50 × 66,572.60
  4. Step 4: Simplify right side
    120,287.48x = 11,050,752,023.30
  5. Step 5: Solve for x
    x = 11,050,752,023.30/120,287.48
  6. Step 6: Final answer
    x = 91,869.51

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.