Home / 161,911.20-242,761.20-145,322.40

Finding the Fourth Proportional to 161,911.20, 242,761.20 and 145,322.40

Calculator

Solution

The fourth proportional to 161,911.20, 242,761.20 and 145,322.40 is: 217,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,911.20 : 242,761.20 = 145,322.40 : x
  2. Step 2: Convert to fraction form
    161,911.20/242,761.20 = 145,322.40/x
  3. Step 3: Cross multiply
    161,911.20x = 242,761.20 × 145,322.40
  4. Step 4: Simplify right side
    161,911.20x = 35,278,640,210.88
  5. Step 5: Solve for x
    x = 35,278,640,210.88/161,911.20
  6. Step 6: Final answer
    x = 217,888.82

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.