Home / 159,709.92-220,409.76-91,748.16

Finding the Fourth Proportional to 159,709.92, 220,409.76 and 91,748.16

Calculator

Solution

The fourth proportional to 159,709.92, 220,409.76 and 91,748.16 is: 126,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,709.92 : 220,409.76 = 91,748.16 : x
  2. Step 2: Convert to fraction form
    159,709.92/220,409.76 = 91,748.16/x
  3. Step 3: Cross multiply
    159,709.92x = 220,409.76 × 91,748.16
  4. Step 4: Simplify right side
    159,709.92x = 20,222,189,926.04
  5. Step 5: Solve for x
    x = 20,222,189,926.04/159,709.92
  6. Step 6: Final answer
    x = 126,618.25

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.