Home / 165,757.28-248,637.60-90,836.60

Finding the Fourth Proportional to 165,757.28, 248,637.60 and 90,836.60

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Solution

The fourth proportional to 165,757.28, 248,637.60 and 90,836.60 is: 136,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,757.28 : 248,637.60 = 90,836.60 : x
  2. Step 2: Convert to fraction form
    165,757.28/248,637.60 = 90,836.60/x
  3. Step 3: Cross multiply
    165,757.28x = 248,637.60 × 90,836.60
  4. Step 4: Simplify right side
    165,757.28x = 22,585,392,972.97
  5. Step 5: Solve for x
    x = 22,585,392,972.97/165,757.28
  6. Step 6: Final answer
    x = 136,255.82

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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.