Home / 140,980.52-194,535.12-80,555.09

Finding the Fourth Proportional to 140,980.52, 194,535.12 and 80,555.09

Calculator

Solution

The fourth proportional to 140,980.52, 194,535.12 and 80,555.09 is: 111,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,980.52 : 194,535.12 = 80,555.09 : x
  2. Step 2: Convert to fraction form
    140,980.52/194,535.12 = 80,555.09/x
  3. Step 3: Cross multiply
    140,980.52x = 194,535.12 × 80,555.09
  4. Step 4: Simplify right side
    140,980.52x = 15,670,793,127.09
  5. Step 5: Solve for x
    x = 15,670,793,127.09/140,980.52
  6. Step 6: Final answer
    x = 111,155.74

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.