Home / 109,407.40-164,111.10-62,621.80

Finding the Fourth Proportional to 109,407.40, 164,111.10 and 62,621.80

Calculator

Solution

The fourth proportional to 109,407.40, 164,111.10 and 62,621.80 is: 93,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,407.40 : 164,111.10 = 62,621.80 : x
  2. Step 2: Convert to fraction form
    109,407.40/164,111.10 = 62,621.80/x
  3. Step 3: Cross multiply
    109,407.40x = 164,111.10 × 62,621.80
  4. Step 4: Simplify right side
    109,407.40x = 10,276,932,481.98
  5. Step 5: Solve for x
    x = 10,276,932,481.98/109,407.40
  6. Step 6: Final answer
    x = 93,932.70

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.