Home / 137,197.72-189,080.20-113,178.52

Finding the Fourth Proportional to 137,197.72, 189,080.20 and 113,178.52

Calculator

Solution

The fourth proportional to 137,197.72, 189,080.20 and 113,178.52 is: 155,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,197.72 : 189,080.20 = 113,178.52 : x
  2. Step 2: Convert to fraction form
    137,197.72/189,080.20 = 113,178.52/x
  3. Step 3: Cross multiply
    137,197.72x = 189,080.20 × 113,178.52
  4. Step 4: Simplify right side
    137,197.72x = 21,399,817,197.30
  5. Step 5: Solve for x
    x = 21,399,817,197.30/137,197.72
  6. Step 6: Final answer
    x = 155,977.94

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.