Home / 99,343.97-137,107.08-56,902.49

Finding the Fourth Proportional to 99,343.97, 137,107.08 and 56,902.49

Calculator

Solution

The fourth proportional to 99,343.97, 137,107.08 and 56,902.49 is: 78,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,343.97 : 137,107.08 = 56,902.49 : x
  2. Step 2: Convert to fraction form
    99,343.97/137,107.08 = 56,902.49/x
  3. Step 3: Cross multiply
    99,343.97x = 137,107.08 × 56,902.49
  4. Step 4: Simplify right side
    99,343.97x = 7,801,733,563.09
  5. Step 5: Solve for x
    x = 7,801,733,563.09/99,343.97
  6. Step 6: Final answer
    x = 78,532.54

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.