Home / 143,272.78-197,704.86-82,847.33

Finding the Fourth Proportional to 143,272.78, 197,704.86 and 82,847.33

Calculator

Solution

The fourth proportional to 143,272.78, 197,704.86 and 82,847.33 is: 114,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,272.78 : 197,704.86 = 82,847.33 : x
  2. Step 2: Convert to fraction form
    143,272.78/197,704.86 = 82,847.33/x
  3. Step 3: Cross multiply
    143,272.78x = 197,704.86 × 82,847.33
  4. Step 4: Simplify right side
    143,272.78x = 16,379,319,779.02
  5. Step 5: Solve for x
    x = 16,379,319,779.02/143,272.78
  6. Step 6: Final answer
    x = 114,322.62

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.