Home / 85,398.96-117,885.31-55,186.77

Finding the Fourth Proportional to 85,398.96, 117,885.31 and 55,186.77

Calculator

Solution

The fourth proportional to 85,398.96, 117,885.31 and 55,186.77 is: 76,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,398.96 : 117,885.31 = 55,186.77 : x
  2. Step 2: Convert to fraction form
    85,398.96/117,885.31 = 55,186.77/x
  3. Step 3: Cross multiply
    85,398.96x = 117,885.31 × 55,186.77
  4. Step 4: Simplify right side
    85,398.96x = 6,505,709,130.35
  5. Step 5: Solve for x
    x = 6,505,709,130.35/85,398.96
  6. Step 6: Final answer
    x = 76,180.19

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.