Home / 128,511.48-192,776.96-39,773.96

Finding the Fourth Proportional to 128,511.48, 192,776.96 and 39,773.96

Calculator

Solution

The fourth proportional to 128,511.48, 192,776.96 and 39,773.96 is: 59,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,511.48 : 192,776.96 = 39,773.96 : x
  2. Step 2: Convert to fraction form
    128,511.48/192,776.96 = 39,773.96/x
  3. Step 3: Cross multiply
    128,511.48x = 192,776.96 × 39,773.96
  4. Step 4: Simplify right side
    128,511.48x = 7,667,503,095.96
  5. Step 5: Solve for x
    x = 7,667,503,095.96/128,511.48
  6. Step 6: Final answer
    x = 59,663.95

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.