Home / 117,928.51-162,729.20-70,172.63

Finding the Fourth Proportional to 117,928.51, 162,729.20 and 70,172.63

Calculator

Solution

The fourth proportional to 117,928.51, 162,729.20 and 70,172.63 is: 96,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.51 : 162,729.20 = 70,172.63 : x
  2. Step 2: Convert to fraction form
    117,928.51/162,729.20 = 70,172.63/x
  3. Step 3: Cross multiply
    117,928.51x = 162,729.20 × 70,172.63
  4. Step 4: Simplify right side
    117,928.51x = 11,419,135,913.82
  5. Step 5: Solve for x
    x = 11,419,135,913.82/117,928.51
  6. Step 6: Final answer
    x = 96,831.01

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.