Home / 149,501.19-206,313.27-81,517.62

Finding the Fourth Proportional to 149,501.19, 206,313.27 and 81,517.62

Calculator

Solution

The fourth proportional to 149,501.19, 206,313.27 and 81,517.62 is: 112,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,501.19 : 206,313.27 = 81,517.62 : x
  2. Step 2: Convert to fraction form
    149,501.19/206,313.27 = 81,517.62/x
  3. Step 3: Cross multiply
    149,501.19x = 206,313.27 × 81,517.62
  4. Step 4: Simplify right side
    149,501.19x = 16,818,166,744.82
  5. Step 5: Solve for x
    x = 16,818,166,744.82/149,501.19
  6. Step 6: Final answer
    x = 112,495.20

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.