Home / 117,874.66-162,670.54-72,578.78

Finding the Fourth Proportional to 117,874.66, 162,670.54 and 72,578.78

Calculator

Solution

The fourth proportional to 117,874.66, 162,670.54 and 72,578.78 is: 100,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874.66 : 162,670.54 = 72,578.78 : x
  2. Step 2: Convert to fraction form
    117,874.66/162,670.54 = 72,578.78/x
  3. Step 3: Cross multiply
    117,874.66x = 162,670.54 × 72,578.78
  4. Step 4: Simplify right side
    117,874.66x = 11,806,429,335.14
  5. Step 5: Solve for x
    x = 11,806,429,335.14/117,874.66
  6. Step 6: Final answer
    x = 100,160.88

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.