Home / 103,742.20-155,394.60-103,742.20

Finding the Fourth Proportional to 103,742.20, 155,394.60 and 103,742.20

Calculator

Solution

The fourth proportional to 103,742.20, 155,394.60 and 103,742.20 is: 155,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,742.20 : 155,394.60 = 103,742.20 : x
  2. Step 2: Convert to fraction form
    103,742.20/155,394.60 = 103,742.20/x
  3. Step 3: Cross multiply
    103,742.20x = 155,394.60 × 103,742.20
  4. Step 4: Simplify right side
    103,742.20x = 16,120,977,672.12
  5. Step 5: Solve for x
    x = 16,120,977,672.12/103,742.20
  6. Step 6: Final answer
    x = 155,394.60

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.