Home / 78,875.46-118,313.49-19,711.19

Finding the Fourth Proportional to 78,875.46, 118,313.49 and 19,711.19

Calculator

Solution

The fourth proportional to 78,875.46, 118,313.49 and 19,711.19 is: 29,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,875.46 : 118,313.49 = 19,711.19 : x
  2. Step 2: Convert to fraction form
    78,875.46/118,313.49 = 19,711.19/x
  3. Step 3: Cross multiply
    78,875.46x = 118,313.49 × 19,711.19
  4. Step 4: Simplify right side
    78,875.46x = 2,332,099,680.95
  5. Step 5: Solve for x
    x = 2,332,099,680.95/78,875.46
  6. Step 6: Final answer
    x = 29,566.86

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.