Home / 100,306.10-140,166.10-100,306.10

Finding the Fourth Proportional to 100,306.10, 140,166.10 and 100,306.10

Calculator

Solution

The fourth proportional to 100,306.10, 140,166.10 and 100,306.10 is: 140,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,306.10 : 140,166.10 = 100,306.10 : x
  2. Step 2: Convert to fraction form
    100,306.10/140,166.10 = 100,306.10/x
  3. Step 3: Cross multiply
    100,306.10x = 140,166.10 × 100,306.10
  4. Step 4: Simplify right side
    100,306.10x = 14,059,514,843.21
  5. Step 5: Solve for x
    x = 14,059,514,843.21/100,306.10
  6. Step 6: Final answer
    x = 140,166.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.