Home / 219,903.30-329,854.95-143,795.70

Finding the Fourth Proportional to 219,903.30, 329,854.95 and 143,795.70

Calculator

Solution

The fourth proportional to 219,903.30, 329,854.95 and 143,795.70 is: 215,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,903.30 : 329,854.95 = 143,795.70 : x
  2. Step 2: Convert to fraction form
    219,903.30/329,854.95 = 143,795.70/x
  3. Step 3: Cross multiply
    219,903.30x = 329,854.95 × 143,795.70
  4. Step 4: Simplify right side
    219,903.30x = 47,431,723,433.72
  5. Step 5: Solve for x
    x = 47,431,723,433.72/219,903.30
  6. Step 6: Final answer
    x = 215,693.55

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.