Home / 158,761.13-219,093.18-87,147.81

Finding the Fourth Proportional to 158,761.13, 219,093.18 and 87,147.81

Calculator

Solution

The fourth proportional to 158,761.13, 219,093.18 and 87,147.81 is: 120,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,761.13 : 219,093.18 = 87,147.81 : x
  2. Step 2: Convert to fraction form
    158,761.13/219,093.18 = 87,147.81/x
  3. Step 3: Cross multiply
    158,761.13x = 219,093.18 × 87,147.81
  4. Step 4: Simplify right side
    158,761.13x = 19,093,490,822.94
  5. Step 5: Solve for x
    x = 19,093,490,822.94/158,761.13
  6. Step 6: Final answer
    x = 120,265.53

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.