Home / 120,076.17-165,690.77-66,353.88

Finding the Fourth Proportional to 120,076.17, 165,690.77 and 66,353.88

Calculator

Solution

The fourth proportional to 120,076.17, 165,690.77 and 66,353.88 is: 91,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,076.17 : 165,690.77 = 66,353.88 : x
  2. Step 2: Convert to fraction form
    120,076.17/165,690.77 = 66,353.88/x
  3. Step 3: Cross multiply
    120,076.17x = 165,690.77 × 66,353.88
  4. Step 4: Simplify right side
    120,076.17x = 10,994,225,759.26
  5. Step 5: Solve for x
    x = 10,994,225,759.26/120,076.17
  6. Step 6: Final answer
    x = 91,560.43

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.