Home / 118,171.92-177,299.88-72,631.32

Finding the Fourth Proportional to 118,171.92, 177,299.88 and 72,631.32

Calculator

Solution

The fourth proportional to 118,171.92, 177,299.88 and 72,631.32 is: 108,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,171.92 : 177,299.88 = 72,631.32 : x
  2. Step 2: Convert to fraction form
    118,171.92/177,299.88 = 72,631.32/x
  3. Step 3: Cross multiply
    118,171.92x = 177,299.88 × 72,631.32
  4. Step 4: Simplify right side
    118,171.92x = 12,877,524,320.24
  5. Step 5: Solve for x
    x = 12,877,524,320.24/118,171.92
  6. Step 6: Final answer
    x = 108,972.79

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.