Home / 129,782.72-179,110.69-73,205.84

Finding the Fourth Proportional to 129,782.72, 179,110.69 and 73,205.84

Calculator

Solution

The fourth proportional to 129,782.72, 179,110.69 and 73,205.84 is: 101,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,782.72 : 179,110.69 = 73,205.84 : x
  2. Step 2: Convert to fraction form
    129,782.72/179,110.69 = 73,205.84/x
  3. Step 3: Cross multiply
    129,782.72x = 179,110.69 × 73,205.84
  4. Step 4: Simplify right side
    129,782.72x = 13,111,947,435.86
  5. Step 5: Solve for x
    x = 13,111,947,435.86/129,782.72
  6. Step 6: Final answer
    x = 101,030.00

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.