Home / 78,978.15-118,449.74-22,806.03

Finding the Fourth Proportional to 78,978.15, 118,449.74 and 22,806.03

Calculator

Solution

The fourth proportional to 78,978.15, 118,449.74 and 22,806.03 is: 34,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,978.15 : 118,449.74 = 22,806.03 : x
  2. Step 2: Convert to fraction form
    78,978.15/118,449.74 = 22,806.03/x
  3. Step 3: Cross multiply
    78,978.15x = 118,449.74 × 22,806.03
  4. Step 4: Simplify right side
    78,978.15x = 2,701,368,209.90
  5. Step 5: Solve for x
    x = 2,701,368,209.90/78,978.15
  6. Step 6: Final answer
    x = 34,203.99

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.