Home / 120,572.68-166,389.42-66,857.68

Finding the Fourth Proportional to 120,572.68, 166,389.42 and 66,857.68

Calculator

Solution

The fourth proportional to 120,572.68, 166,389.42 and 66,857.68 is: 92,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,572.68 : 166,389.42 = 66,857.68 : x
  2. Step 2: Convert to fraction form
    120,572.68/166,389.42 = 66,857.68/x
  3. Step 3: Cross multiply
    120,572.68x = 166,389.42 × 66,857.68
  4. Step 4: Simplify right side
    120,572.68x = 11,124,410,597.75
  5. Step 5: Solve for x
    x = 11,124,410,597.75/120,572.68
  6. Step 6: Final answer
    x = 92,263.11

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.