Home / 258,121.05-356,211.25-143,407.10

Finding the Fourth Proportional to 258,121.05, 356,211.25 and 143,407.10

Calculator

Solution

The fourth proportional to 258,121.05, 356,211.25 and 143,407.10 is: 197,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,121.05 : 356,211.25 = 143,407.10 : x
  2. Step 2: Convert to fraction form
    258,121.05/356,211.25 = 143,407.10/x
  3. Step 3: Cross multiply
    258,121.05x = 356,211.25 × 143,407.10
  4. Step 4: Simplify right side
    258,121.05x = 51,083,220,210.30
  5. Step 5: Solve for x
    x = 51,083,220,210.30/258,121.05
  6. Step 6: Final answer
    x = 197,904.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.