Home / 205,218.80-307,828.20-92,898.80

Finding the Fourth Proportional to 205,218.80, 307,828.20 and 92,898.80

Calculator

Solution

The fourth proportional to 205,218.80, 307,828.20 and 92,898.80 is: 139,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,218.80 : 307,828.20 = 92,898.80 : x
  2. Step 2: Convert to fraction form
    205,218.80/307,828.20 = 92,898.80/x
  3. Step 3: Cross multiply
    205,218.80x = 307,828.20 × 92,898.80
  4. Step 4: Simplify right side
    205,218.80x = 28,596,870,386.16
  5. Step 5: Solve for x
    x = 28,596,870,386.16/205,218.80
  6. Step 6: Final answer
    x = 139,348.20

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.