Home / 211,109.76-315,916.61-186,198.48

Finding the Fourth Proportional to 211,109.76, 315,916.61 and 186,198.48

Calculator

Solution

The fourth proportional to 211,109.76, 315,916.61 and 186,198.48 is: 278,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,109.76 : 315,916.61 = 186,198.48 : x
  2. Step 2: Convert to fraction form
    211,109.76/315,916.61 = 186,198.48/x
  3. Step 3: Cross multiply
    211,109.76x = 315,916.61 × 186,198.48
  4. Step 4: Simplify right side
    211,109.76x = 58,823,191,657.76
  5. Step 5: Solve for x
    x = 58,823,191,657.76/211,109.76
  6. Step 6: Final answer
    x = 278,637.95

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.