Home / 160,238.91-221,120.67-87,627.39

Finding the Fourth Proportional to 160,238.91, 221,120.67 and 87,627.39

Calculator

Solution

The fourth proportional to 160,238.91, 221,120.67 and 87,627.39 is: 120,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,238.91 : 221,120.67 = 87,627.39 : x
  2. Step 2: Convert to fraction form
    160,238.91/221,120.67 = 87,627.39/x
  3. Step 3: Cross multiply
    160,238.91x = 221,120.67 × 87,627.39
  4. Step 4: Simplify right side
    160,238.91x = 19,376,227,187.15
  5. Step 5: Solve for x
    x = 19,376,227,187.15/160,238.91
  6. Step 6: Final answer
    x = 120,920.86

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.