Home / 113,107.20-169,660.80-102,220.80

Finding the Fourth Proportional to 113,107.20, 169,660.80 and 102,220.80

Calculator

Solution

The fourth proportional to 113,107.20, 169,660.80 and 102,220.80 is: 153,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,107.20 : 169,660.80 = 102,220.80 : x
  2. Step 2: Convert to fraction form
    113,107.20/169,660.80 = 102,220.80/x
  3. Step 3: Cross multiply
    113,107.20x = 169,660.80 × 102,220.80
  4. Step 4: Simplify right side
    113,107.20x = 17,342,862,704.64
  5. Step 5: Solve for x
    x = 17,342,862,704.64/113,107.20
  6. Step 6: Final answer
    x = 153,331.20

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.