Home / 130,229.28-179,720.40-73,639.44

Finding the Fourth Proportional to 130,229.28, 179,720.40 and 73,639.44

Calculator

Solution

The fourth proportional to 130,229.28, 179,720.40 and 73,639.44 is: 101,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,229.28 : 179,720.40 = 73,639.44 : x
  2. Step 2: Convert to fraction form
    130,229.28/179,720.40 = 73,639.44/x
  3. Step 3: Cross multiply
    130,229.28x = 179,720.40 × 73,639.44
  4. Step 4: Simplify right side
    130,229.28x = 13,234,509,612.58
  5. Step 5: Solve for x
    x = 13,234,509,612.58/130,229.28
  6. Step 6: Final answer
    x = 101,624.69

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.