Home / 231,110.40-346,780.80-131,347.20

Finding the Fourth Proportional to 231,110.40, 346,780.80 and 131,347.20

Calculator

Solution

The fourth proportional to 231,110.40, 346,780.80 and 131,347.20 is: 197,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,110.40 : 346,780.80 = 131,347.20 : x
  2. Step 2: Convert to fraction form
    231,110.40/346,780.80 = 131,347.20/x
  3. Step 3: Cross multiply
    231,110.40x = 346,780.80 × 131,347.20
  4. Step 4: Simplify right side
    231,110.40x = 45,548,687,093.76
  5. Step 5: Solve for x
    x = 45,548,687,093.76/231,110.40
  6. Step 6: Final answer
    x = 197,086.27

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.