Home / 115,861-173,405.76-87,625.48

Finding the Fourth Proportional to 115,861, 173,405.76 and 87,625.48

Calculator

Solution

The fourth proportional to 115,861, 173,405.76 and 87,625.48 is: 131,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,861 : 173,405.76 = 87,625.48 : x
  2. Step 2: Convert to fraction form
    115,861/173,405.76 = 87,625.48/x
  3. Step 3: Cross multiply
    115,861x = 173,405.76 × 87,625.48
  4. Step 4: Simplify right side
    115,861x = 15,194,762,954.76
  5. Step 5: Solve for x
    x = 15,194,762,954.76/115,861
  6. Step 6: Final answer
    x = 131,146.49

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.