Home / 204,889.06-307,158.29-78,619.92

Finding the Fourth Proportional to 204,889.06, 307,158.29 and 78,619.92

Calculator

Solution

The fourth proportional to 204,889.06, 307,158.29 and 78,619.92 is: 117,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,889.06 : 307,158.29 = 78,619.92 : x
  2. Step 2: Convert to fraction form
    204,889.06/307,158.29 = 78,619.92/x
  3. Step 3: Cross multiply
    204,889.06x = 307,158.29 × 78,619.92
  4. Step 4: Simplify right side
    204,889.06x = 24,148,758,937.02
  5. Step 5: Solve for x
    x = 24,148,758,937.02/204,889.06
  6. Step 6: Final answer
    x = 117,862.61

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.