Home / 151,120.66-208,553.52-87,446.14

Finding the Fourth Proportional to 151,120.66, 208,553.52 and 87,446.14

Calculator

Solution

The fourth proportional to 151,120.66, 208,553.52 and 87,446.14 is: 120,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,120.66 : 208,553.52 = 87,446.14 : x
  2. Step 2: Convert to fraction form
    151,120.66/208,553.52 = 87,446.14/x
  3. Step 3: Cross multiply
    151,120.66x = 208,553.52 × 87,446.14
  4. Step 4: Simplify right side
    151,120.66x = 18,237,200,307.41
  5. Step 5: Solve for x
    x = 18,237,200,307.41/151,120.66
  6. Step 6: Final answer
    x = 120,679.73

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.