Home / 93,428.80-140,143.20-31,099.30

Finding the Fourth Proportional to 93,428.80, 140,143.20 and 31,099.30

Calculator

Solution

The fourth proportional to 93,428.80, 140,143.20 and 31,099.30 is: 46,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.80 : 140,143.20 = 31,099.30 : x
  2. Step 2: Convert to fraction form
    93,428.80/140,143.20 = 31,099.30/x
  3. Step 3: Cross multiply
    93,428.80x = 140,143.20 × 31,099.30
  4. Step 4: Simplify right side
    93,428.80x = 4,358,355,419.76
  5. Step 5: Solve for x
    x = 4,358,355,419.76/93,428.80
  6. Step 6: Final answer
    x = 46,648.95

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.