Home / 102,790.54-154,202.42-31,696.57

Finding the Fourth Proportional to 102,790.54, 154,202.42 and 31,696.57

Calculator

Solution

The fourth proportional to 102,790.54, 154,202.42 and 31,696.57 is: 47,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,790.54 : 154,202.42 = 31,696.57 : x
  2. Step 2: Convert to fraction form
    102,790.54/154,202.42 = 31,696.57/x
  3. Step 3: Cross multiply
    102,790.54x = 154,202.42 × 31,696.57
  4. Step 4: Simplify right side
    102,790.54x = 4,887,687,799.70
  5. Step 5: Solve for x
    x = 4,887,687,799.70/102,790.54
  6. Step 6: Final answer
    x = 47,549.98

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.