Home / 136,382.56-188,452.04-106,245.72

Finding the Fourth Proportional to 136,382.56, 188,452.04 and 106,245.72

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Solution

The fourth proportional to 136,382.56, 188,452.04 and 106,245.72 is: 146,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382.56 : 188,452.04 = 106,245.72 : x
  2. Step 2: Convert to fraction form
    136,382.56/188,452.04 = 106,245.72/x
  3. Step 3: Cross multiply
    136,382.56x = 188,452.04 × 106,245.72
  4. Step 4: Simplify right side
    136,382.56x = 20,022,222,675.27
  5. Step 5: Solve for x
    x = 20,022,222,675.27/136,382.56
  6. Step 6: Final answer
    x = 146,809.26

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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.