Home / 171,085.23-256,405.91-76,180.37

Finding the Fourth Proportional to 171,085.23, 256,405.91 and 76,180.37

Calculator

Solution

The fourth proportional to 171,085.23, 256,405.91 and 76,180.37 is: 114,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,085.23 : 256,405.91 = 76,180.37 : x
  2. Step 2: Convert to fraction form
    171,085.23/256,405.91 = 76,180.37/x
  3. Step 3: Cross multiply
    171,085.23x = 256,405.91 × 76,180.37
  4. Step 4: Simplify right side
    171,085.23x = 19,533,095,431.06
  5. Step 5: Solve for x
    x = 19,533,095,431.06/171,085.23
  6. Step 6: Final answer
    x = 114,171.72

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.