Home / 228,651.21-315,460.85-133,137.63

Finding the Fourth Proportional to 228,651.21, 315,460.85 and 133,137.63

Calculator

Solution

The fourth proportional to 228,651.21, 315,460.85 and 133,137.63 is: 183,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,651.21 : 315,460.85 = 133,137.63 : x
  2. Step 2: Convert to fraction form
    228,651.21/315,460.85 = 133,137.63/x
  3. Step 3: Cross multiply
    228,651.21x = 315,460.85 × 133,137.63
  4. Step 4: Simplify right side
    228,651.21x = 41,999,709,261.10
  5. Step 5: Solve for x
    x = 41,999,709,261.10/228,651.21
  6. Step 6: Final answer
    x = 183,684.61

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.