Home / 131,020.40-196,528.77-74,740.38

Finding the Fourth Proportional to 131,020.40, 196,528.77 and 74,740.38

Calculator

Solution

The fourth proportional to 131,020.40, 196,528.77 and 74,740.38 is: 112,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,020.40 : 196,528.77 = 74,740.38 : x
  2. Step 2: Convert to fraction form
    131,020.40/196,528.77 = 74,740.38/x
  3. Step 3: Cross multiply
    131,020.40x = 196,528.77 × 74,740.38
  4. Step 4: Simplify right side
    131,020.40x = 14,688,634,950.73
  5. Step 5: Solve for x
    x = 14,688,634,950.73/131,020.40
  6. Step 6: Final answer
    x = 112,109.53

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.