Home / 103,631.10-155,523.45-68,559.10

Finding the Fourth Proportional to 103,631.10, 155,523.45 and 68,559.10

Calculator

Solution

The fourth proportional to 103,631.10, 155,523.45 and 68,559.10 is: 102,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.10 : 155,523.45 = 68,559.10 : x
  2. Step 2: Convert to fraction form
    103,631.10/155,523.45 = 68,559.10/x
  3. Step 3: Cross multiply
    103,631.10x = 155,523.45 × 68,559.10
  4. Step 4: Simplify right side
    103,631.10x = 10,662,547,760.90
  5. Step 5: Solve for x
    x = 10,662,547,760.90/103,631.10
  6. Step 6: Final answer
    x = 102,889.46

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.