Home / 113,710.62-170,514.09-66,976.86

Finding the Fourth Proportional to 113,710.62, 170,514.09 and 66,976.86

Calculator

Solution

The fourth proportional to 113,710.62, 170,514.09 and 66,976.86 is: 100,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,710.62 : 170,514.09 = 66,976.86 : x
  2. Step 2: Convert to fraction form
    113,710.62/170,514.09 = 66,976.86/x
  3. Step 3: Cross multiply
    113,710.62x = 170,514.09 × 66,976.86
  4. Step 4: Simplify right side
    113,710.62x = 11,420,498,333.96
  5. Step 5: Solve for x
    x = 11,420,498,333.96/113,710.62
  6. Step 6: Final answer
    x = 100,434.76

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.