Home / 263,897.80-395,846.70-86,410.60

Finding the Fourth Proportional to 263,897.80, 395,846.70 and 86,410.60

Calculator

Solution

The fourth proportional to 263,897.80, 395,846.70 and 86,410.60 is: 129,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,897.80 : 395,846.70 = 86,410.60 : x
  2. Step 2: Convert to fraction form
    263,897.80/395,846.70 = 86,410.60/x
  3. Step 3: Cross multiply
    263,897.80x = 395,846.70 × 86,410.60
  4. Step 4: Simplify right side
    263,897.80x = 34,205,350,855.02
  5. Step 5: Solve for x
    x = 34,205,350,855.02/263,897.80
  6. Step 6: Final answer
    x = 129,615.90

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.