Home / 211,967.58-317,951.37-78,845.16

Finding the Fourth Proportional to 211,967.58, 317,951.37 and 78,845.16

Calculator

Solution

The fourth proportional to 211,967.58, 317,951.37 and 78,845.16 is: 118,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,967.58 : 317,951.37 = 78,845.16 : x
  2. Step 2: Convert to fraction form
    211,967.58/317,951.37 = 78,845.16/x
  3. Step 3: Cross multiply
    211,967.58x = 317,951.37 × 78,845.16
  4. Step 4: Simplify right side
    211,967.58x = 25,068,926,639.87
  5. Step 5: Solve for x
    x = 25,068,926,639.87/211,967.58
  6. Step 6: Final answer
    x = 118,267.74

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.