Home / 103,640.80-155,461.20-37,076.89

Finding the Fourth Proportional to 103,640.80, 155,461.20 and 37,076.89

Calculator

Solution

The fourth proportional to 103,640.80, 155,461.20 and 37,076.89 is: 55,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.80 : 155,461.20 = 37,076.89 : x
  2. Step 2: Convert to fraction form
    103,640.80/155,461.20 = 37,076.89/x
  3. Step 3: Cross multiply
    103,640.80x = 155,461.20 × 37,076.89
  4. Step 4: Simplify right side
    103,640.80x = 5,764,017,811.67
  5. Step 5: Solve for x
    x = 5,764,017,811.67/103,640.80
  6. Step 6: Final answer
    x = 55,615.34

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.