Home / 215,693.40-323,732.10-126,835.80

Finding the Fourth Proportional to 215,693.40, 323,732.10 and 126,835.80

Calculator

Solution

The fourth proportional to 215,693.40, 323,732.10 and 126,835.80 is: 190,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,693.40 : 323,732.10 = 126,835.80 : x
  2. Step 2: Convert to fraction form
    215,693.40/323,732.10 = 126,835.80/x
  3. Step 3: Cross multiply
    215,693.40x = 323,732.10 × 126,835.80
  4. Step 4: Simplify right side
    215,693.40x = 41,060,819,889.18
  5. Step 5: Solve for x
    x = 41,060,819,889.18/215,693.40
  6. Step 6: Final answer
    x = 190,366.60

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.