Home / 155,104.84-214,044.78-87,121.96

Finding the Fourth Proportional to 155,104.84, 214,044.78 and 87,121.96

Calculator

Solution

The fourth proportional to 155,104.84, 214,044.78 and 87,121.96 is: 120,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,104.84 : 214,044.78 = 87,121.96 : x
  2. Step 2: Convert to fraction form
    155,104.84/214,044.78 = 87,121.96/x
  3. Step 3: Cross multiply
    155,104.84x = 214,044.78 × 87,121.96
  4. Step 4: Simplify right side
    155,104.84x = 18,648,000,761.37
  5. Step 5: Solve for x
    x = 18,648,000,761.37/155,104.84
  6. Step 6: Final answer
    x = 120,228.36

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.