Home / 102,163.72-140,984.58-57,451.72

Finding the Fourth Proportional to 102,163.72, 140,984.58 and 57,451.72

Calculator

Solution

The fourth proportional to 102,163.72, 140,984.58 and 57,451.72 is: 79,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,163.72 : 140,984.58 = 57,451.72 : x
  2. Step 2: Convert to fraction form
    102,163.72/140,984.58 = 57,451.72/x
  3. Step 3: Cross multiply
    102,163.72x = 140,984.58 × 57,451.72
  4. Step 4: Simplify right side
    102,163.72x = 8,099,806,614.48
  5. Step 5: Solve for x
    x = 8,099,806,614.48/102,163.72
  6. Step 6: Final answer
    x = 79,282.61

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.