Home / 343,496.20-515,439.18-133,148.68

Finding the Fourth Proportional to 343,496.20, 515,439.18 and 133,148.68

Calculator

Solution

The fourth proportional to 343,496.20, 515,439.18 and 133,148.68 is: 199,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,496.20 : 515,439.18 = 133,148.68 : x
  2. Step 2: Convert to fraction form
    343,496.20/515,439.18 = 133,148.68/x
  3. Step 3: Cross multiply
    343,496.20x = 515,439.18 × 133,148.68
  4. Step 4: Simplify right side
    343,496.20x = 68,630,046,437.28
  5. Step 5: Solve for x
    x = 68,630,046,437.28/343,496.20
  6. Step 6: Final answer
    x = 199,798.56

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.