Home / 275,115.64-412,663.72-75,432.82

Finding the Fourth Proportional to 275,115.64, 412,663.72 and 75,432.82

Calculator

Solution

The fourth proportional to 275,115.64, 412,663.72 and 75,432.82 is: 113,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,115.64 : 412,663.72 = 75,432.82 : x
  2. Step 2: Convert to fraction form
    275,115.64/412,663.72 = 75,432.82/x
  3. Step 3: Cross multiply
    275,115.64x = 412,663.72 × 75,432.82
  4. Step 4: Simplify right side
    275,115.64x = 31,128,388,111.29
  5. Step 5: Solve for x
    x = 31,128,388,111.29/275,115.64
  6. Step 6: Final answer
    x = 113,146.56

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.