Home / 251,609.40-377,462.70-74,122.20

Finding the Fourth Proportional to 251,609.40, 377,462.70 and 74,122.20

Calculator

Solution

The fourth proportional to 251,609.40, 377,462.70 and 74,122.20 is: 111,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,609.40 : 377,462.70 = 74,122.20 : x
  2. Step 2: Convert to fraction form
    251,609.40/377,462.70 = 74,122.20/x
  3. Step 3: Cross multiply
    251,609.40x = 377,462.70 × 74,122.20
  4. Step 4: Simplify right side
    251,609.40x = 27,978,365,741.94
  5. Step 5: Solve for x
    x = 27,978,365,741.94/251,609.40
  6. Step 6: Final answer
    x = 111,197.62

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.