Home / 138,893.04-191,672.52-75,231

Finding the Fourth Proportional to 138,893.04, 191,672.52 and 75,231

Calculator

Solution

The fourth proportional to 138,893.04, 191,672.52 and 75,231 is: 103,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,893.04 : 191,672.52 = 75,231 : x
  2. Step 2: Convert to fraction form
    138,893.04/191,672.52 = 75,231/x
  3. Step 3: Cross multiply
    138,893.04x = 191,672.52 × 75,231
  4. Step 4: Simplify right side
    138,893.04x = 14,419,715,352.12
  5. Step 5: Solve for x
    x = 14,419,715,352.12/138,893.04
  6. Step 6: Final answer
    x = 103,818.85

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.