Home / 149,222.43-206,003.03-115,154.37

Finding the Fourth Proportional to 149,222.43, 206,003.03 and 115,154.37

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Solution

The fourth proportional to 149,222.43, 206,003.03 and 115,154.37 is: 158,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,222.43 : 206,003.03 = 115,154.37 : x
  2. Step 2: Convert to fraction form
    149,222.43/206,003.03 = 115,154.37/x
  3. Step 3: Cross multiply
    149,222.43x = 206,003.03 × 115,154.37
  4. Step 4: Simplify right side
    149,222.43x = 23,722,149,137.74
  5. Step 5: Solve for x
    x = 23,722,149,137.74/149,222.43
  6. Step 6: Final answer
    x = 158,971.74

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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.