Home / 206,501.54-309,865.19-80,146.80

Finding the Fourth Proportional to 206,501.54, 309,865.19 and 80,146.80

Calculator

Solution

The fourth proportional to 206,501.54, 309,865.19 and 80,146.80 is: 120,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,501.54 : 309,865.19 = 80,146.80 : x
  2. Step 2: Convert to fraction form
    206,501.54/309,865.19 = 80,146.80/x
  3. Step 3: Cross multiply
    206,501.54x = 309,865.19 × 80,146.80
  4. Step 4: Simplify right side
    206,501.54x = 24,834,703,009.16
  5. Step 5: Solve for x
    x = 24,834,703,009.16/206,501.54
  6. Step 6: Final answer
    x = 120,264.01

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.