Home / 133,528.29-199,976.22-115,902.43

Finding the Fourth Proportional to 133,528.29, 199,976.22 and 115,902.43

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Solution

The fourth proportional to 133,528.29, 199,976.22 and 115,902.43 is: 173,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,528.29 : 199,976.22 = 115,902.43 : x
  2. Step 2: Convert to fraction form
    133,528.29/199,976.22 = 115,902.43/x
  3. Step 3: Cross multiply
    133,528.29x = 199,976.22 × 115,902.43
  4. Step 4: Simplify right side
    133,528.29x = 23,177,729,840.21
  5. Step 5: Solve for x
    x = 23,177,729,840.21/133,528.29
  6. Step 6: Final answer
    x = 173,579.17

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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.