Home / 206,977.72-310,506.18-66,698.68

Finding the Fourth Proportional to 206,977.72, 310,506.18 and 66,698.68

Calculator

Solution

The fourth proportional to 206,977.72, 310,506.18 and 66,698.68 is: 100,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,977.72 : 310,506.18 = 66,698.68 : x
  2. Step 2: Convert to fraction form
    206,977.72/310,506.18 = 66,698.68/x
  3. Step 3: Cross multiply
    206,977.72x = 310,506.18 × 66,698.68
  4. Step 4: Simplify right side
    206,977.72x = 20,710,352,337.84
  5. Step 5: Solve for x
    x = 20,710,352,337.84/206,977.72
  6. Step 6: Final answer
    x = 100,060.78

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.