Home / 154,687.36-213,468.96-87,619.36

Finding the Fourth Proportional to 154,687.36, 213,468.96 and 87,619.36

Calculator

Solution

The fourth proportional to 154,687.36, 213,468.96 and 87,619.36 is: 120,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,687.36 : 213,468.96 = 87,619.36 : x
  2. Step 2: Convert to fraction form
    154,687.36/213,468.96 = 87,619.36/x
  3. Step 3: Cross multiply
    154,687.36x = 213,468.96 × 87,619.36
  4. Step 4: Simplify right side
    154,687.36x = 18,704,013,655.07
  5. Step 5: Solve for x
    x = 18,704,013,655.07/154,687.36
  6. Step 6: Final answer
    x = 120,914.95

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.