Home / 159,056.68-219,410.64-100,806.86

Finding the Fourth Proportional to 159,056.68, 219,410.64 and 100,806.86

Calculator

Solution

The fourth proportional to 159,056.68, 219,410.64 and 100,806.86 is: 139,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,056.68 : 219,410.64 = 100,806.86 : x
  2. Step 2: Convert to fraction form
    159,056.68/219,410.64 = 100,806.86/x
  3. Step 3: Cross multiply
    159,056.68x = 219,410.64 × 100,806.86
  4. Step 4: Simplify right side
    159,056.68x = 22,118,097,668.99
  5. Step 5: Solve for x
    x = 22,118,097,668.99/159,056.68
  6. Step 6: Final answer
    x = 139,057.96

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.