Home / 165,787.44-228,788.38-90,335.94

Finding the Fourth Proportional to 165,787.44, 228,788.38 and 90,335.94

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Solution

The fourth proportional to 165,787.44, 228,788.38 and 90,335.94 is: 124,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.44 : 228,788.38 = 90,335.94 : x
  2. Step 2: Convert to fraction form
    165,787.44/228,788.38 = 90,335.94/x
  3. Step 3: Cross multiply
    165,787.44x = 228,788.38 × 90,335.94
  4. Step 4: Simplify right side
    165,787.44x = 20,667,813,368.38
  5. Step 5: Solve for x
    x = 20,667,813,368.38/165,787.44
  6. Step 6: Final answer
    x = 124,664.53

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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.