Home / 121,381.66-167,516.67-66,944.48

Finding the Fourth Proportional to 121,381.66, 167,516.67 and 66,944.48

Calculator

Solution

The fourth proportional to 121,381.66, 167,516.67 and 66,944.48 is: 92,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,381.66 : 167,516.67 = 66,944.48 : x
  2. Step 2: Convert to fraction form
    121,381.66/167,516.67 = 66,944.48/x
  3. Step 3: Cross multiply
    121,381.66x = 167,516.67 × 66,944.48
  4. Step 4: Simplify right side
    121,381.66x = 11,214,316,364.48
  5. Step 5: Solve for x
    x = 11,214,316,364.48/121,381.66
  6. Step 6: Final answer
    x = 92,388.89

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.