Home / 171,879.90-257,650.30-72,068.46

Finding the Fourth Proportional to 171,879.90, 257,650.30 and 72,068.46

Calculator

Solution

The fourth proportional to 171,879.90, 257,650.30 and 72,068.46 is: 108,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,879.90 : 257,650.30 = 72,068.46 : x
  2. Step 2: Convert to fraction form
    171,879.90/257,650.30 = 72,068.46/x
  3. Step 3: Cross multiply
    171,879.90x = 257,650.30 × 72,068.46
  4. Step 4: Simplify right side
    171,879.90x = 18,568,460,339.54
  5. Step 5: Solve for x
    x = 18,568,460,339.54/171,879.90
  6. Step 6: Final answer
    x = 108,031.60

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.