Home / 138,201.09-207,300.95-53,969.82

Finding the Fourth Proportional to 138,201.09, 207,300.95 and 53,969.82

Calculator

Solution

The fourth proportional to 138,201.09, 207,300.95 and 53,969.82 is: 80,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,201.09 : 207,300.95 = 53,969.82 : x
  2. Step 2: Convert to fraction form
    138,201.09/207,300.95 = 53,969.82/x
  3. Step 3: Cross multiply
    138,201.09x = 207,300.95 × 53,969.82
  4. Step 4: Simplify right side
    138,201.09x = 11,187,994,314.88
  5. Step 5: Solve for x
    x = 11,187,994,314.88/138,201.09
  6. Step 6: Final answer
    x = 80,954.46

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.