Home / 149,470.60-206,263.14-81,486.12

Finding the Fourth Proportional to 149,470.60, 206,263.14 and 81,486.12

Calculator

Solution

The fourth proportional to 149,470.60, 206,263.14 and 81,486.12 is: 112,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,470.60 : 206,263.14 = 81,486.12 : x
  2. Step 2: Convert to fraction form
    149,470.60/206,263.14 = 81,486.12/x
  3. Step 3: Cross multiply
    149,470.60x = 206,263.14 × 81,486.12
  4. Step 4: Simplify right side
    149,470.60x = 16,807,582,977.62
  5. Step 5: Solve for x
    x = 16,807,582,977.62/149,470.60
  6. Step 6: Final answer
    x = 112,447.42

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.