Home / 117,474.88-162,112.92-66,486.70

Finding the Fourth Proportional to 117,474.88, 162,112.92 and 66,486.70

Calculator

Solution

The fourth proportional to 117,474.88, 162,112.92 and 66,486.70 is: 91,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,474.88 : 162,112.92 = 66,486.70 : x
  2. Step 2: Convert to fraction form
    117,474.88/162,112.92 = 66,486.70/x
  3. Step 3: Cross multiply
    117,474.88x = 162,112.92 × 66,486.70
  4. Step 4: Simplify right side
    117,474.88x = 10,778,353,078.16
  5. Step 5: Solve for x
    x = 10,778,353,078.16/117,474.88
  6. Step 6: Final answer
    x = 91,750.28

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.