Home / 149,304.64-206,040.39-82,236.64

Finding the Fourth Proportional to 149,304.64, 206,040.39 and 82,236.64

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Solution

The fourth proportional to 149,304.64, 206,040.39 and 82,236.64 is: 113,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,304.64 : 206,040.39 = 82,236.64 : x
  2. Step 2: Convert to fraction form
    149,304.64/206,040.39 = 82,236.64/x
  3. Step 3: Cross multiply
    149,304.64x = 206,040.39 × 82,236.64
  4. Step 4: Simplify right side
    149,304.64x = 16,944,069,377.89
  5. Step 5: Solve for x
    x = 16,944,069,377.89/149,304.64
  6. Step 6: Final answer
    x = 113,486.56

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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.