Home / 140,530.10-193,936.10-76,867.83

Finding the Fourth Proportional to 140,530.10, 193,936.10 and 76,867.83

Calculator

Solution

The fourth proportional to 140,530.10, 193,936.10 and 76,867.83 is: 106,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,530.10 : 193,936.10 = 76,867.83 : x
  2. Step 2: Convert to fraction form
    140,530.10/193,936.10 = 76,867.83/x
  3. Step 3: Cross multiply
    140,530.10x = 193,936.10 × 76,867.83
  4. Step 4: Simplify right side
    140,530.10x = 14,907,446,781.32
  5. Step 5: Solve for x
    x = 14,907,446,781.32/140,530.10
  6. Step 6: Final answer
    x = 106,080.10

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.