Home / 253,909.78-350,390.49-139,188.67

Finding the Fourth Proportional to 253,909.78, 350,390.49 and 139,188.67

Calculator

Solution

The fourth proportional to 253,909.78, 350,390.49 and 139,188.67 is: 192,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,909.78 : 350,390.49 = 139,188.67 : x
  2. Step 2: Convert to fraction form
    253,909.78/350,390.49 = 139,188.67/x
  3. Step 3: Cross multiply
    253,909.78x = 350,390.49 × 139,188.67
  4. Step 4: Simplify right side
    253,909.78x = 48,770,386,283.75
  5. Step 5: Solve for x
    x = 48,770,386,283.75/253,909.78
  6. Step 6: Final answer
    x = 192,077.62

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.