Home / 108,541.80-162,582.30-90,109.80

Finding the Fourth Proportional to 108,541.80, 162,582.30 and 90,109.80

Calculator

Solution

The fourth proportional to 108,541.80, 162,582.30 and 90,109.80 is: 134,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.80 : 162,582.30 = 90,109.80 : x
  2. Step 2: Convert to fraction form
    108,541.80/162,582.30 = 90,109.80/x
  3. Step 3: Cross multiply
    108,541.80x = 162,582.30 × 90,109.80
  4. Step 4: Simplify right side
    108,541.80x = 14,650,258,536.54
  5. Step 5: Solve for x
    x = 14,650,258,536.54/108,541.80
  6. Step 6: Final answer
    x = 134,973.43

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.