Home / 151,642.02-209,198.32-87,942.90

Finding the Fourth Proportional to 151,642.02, 209,198.32 and 87,942.90

Calculator

Solution

The fourth proportional to 151,642.02, 209,198.32 and 87,942.90 is: 121,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,642.02 : 209,198.32 = 87,942.90 : x
  2. Step 2: Convert to fraction form
    151,642.02/209,198.32 = 87,942.90/x
  3. Step 3: Cross multiply
    151,642.02x = 209,198.32 × 87,942.90
  4. Step 4: Simplify right side
    151,642.02x = 18,397,506,935.93
  5. Step 5: Solve for x
    x = 18,397,506,935.93/151,642.02
  6. Step 6: Final answer
    x = 121,321.96

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.