Home / 201,743.30-302,542.05-81,749.90

Finding the Fourth Proportional to 201,743.30, 302,542.05 and 81,749.90

Calculator

Solution

The fourth proportional to 201,743.30, 302,542.05 and 81,749.90 is: 122,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,743.30 : 302,542.05 = 81,749.90 : x
  2. Step 2: Convert to fraction form
    201,743.30/302,542.05 = 81,749.90/x
  3. Step 3: Cross multiply
    201,743.30x = 302,542.05 × 81,749.90
  4. Step 4: Simplify right side
    201,743.30x = 24,732,782,333.30
  5. Step 5: Solve for x
    x = 24,732,782,333.30/201,743.30
  6. Step 6: Final answer
    x = 122,595.31

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.