Home / 78,895.80-118,343.70-49,404.60

Finding the Fourth Proportional to 78,895.80, 118,343.70 and 49,404.60

Calculator

Solution

The fourth proportional to 78,895.80, 118,343.70 and 49,404.60 is: 74,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895.80 : 118,343.70 = 49,404.60 : x
  2. Step 2: Convert to fraction form
    78,895.80/118,343.70 = 49,404.60/x
  3. Step 3: Cross multiply
    78,895.80x = 118,343.70 × 49,404.60
  4. Step 4: Simplify right side
    78,895.80x = 5,846,723,161.02
  5. Step 5: Solve for x
    x = 5,846,723,161.02/78,895.80
  6. Step 6: Final answer
    x = 74,106.90

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.