Home / 121,399.11-182,120.20-37,157.41

Finding the Fourth Proportional to 121,399.11, 182,120.20 and 37,157.41

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Solution

The fourth proportional to 121,399.11, 182,120.20 and 37,157.41 is: 55,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,399.11 : 182,120.20 = 37,157.41 : x
  2. Step 2: Convert to fraction form
    121,399.11/182,120.20 = 37,157.41/x
  3. Step 3: Cross multiply
    121,399.11x = 182,120.20 × 37,157.41
  4. Step 4: Simplify right side
    121,399.11x = 6,767,114,940.68
  5. Step 5: Solve for x
    x = 6,767,114,940.68/121,399.11
  6. Step 6: Final answer
    x = 55,742.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.