Home / 100,174-138,244.44-55,462

Finding the Fourth Proportional to 100,174, 138,244.44 and 55,462

Calculator

Solution

The fourth proportional to 100,174, 138,244.44 and 55,462 is: 76,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,174 : 138,244.44 = 55,462 : x
  2. Step 2: Convert to fraction form
    100,174/138,244.44 = 55,462/x
  3. Step 3: Cross multiply
    100,174x = 138,244.44 × 55,462
  4. Step 4: Simplify right side
    100,174x = 7,667,313,131.28
  5. Step 5: Solve for x
    x = 7,667,313,131.28/100,174
  6. Step 6: Final answer
    x = 76,539.95

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.