Home / 139,996.80-209,557.80-100,630.80

Finding the Fourth Proportional to 139,996.80, 209,557.80 and 100,630.80

Calculator

Solution

The fourth proportional to 139,996.80, 209,557.80 and 100,630.80 is: 150,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,996.80 : 209,557.80 = 100,630.80 : x
  2. Step 2: Convert to fraction form
    139,996.80/209,557.80 = 100,630.80/x
  3. Step 3: Cross multiply
    139,996.80x = 209,557.80 × 100,630.80
  4. Step 4: Simplify right side
    139,996.80x = 21,087,969,060.24
  5. Step 5: Solve for x
    x = 21,087,969,060.24/139,996.80
  6. Step 6: Final answer
    x = 150,631.79

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.