Home / 165,579.24-248,418.24-76,907.28

Finding the Fourth Proportional to 165,579.24, 248,418.24 and 76,907.28

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Solution

The fourth proportional to 165,579.24, 248,418.24 and 76,907.28 is: 115,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,579.24 : 248,418.24 = 76,907.28 : x
  2. Step 2: Convert to fraction form
    165,579.24/248,418.24 = 76,907.28/x
  3. Step 3: Cross multiply
    165,579.24x = 248,418.24 × 76,907.28
  4. Step 4: Simplify right side
    165,579.24x = 19,105,171,140.79
  5. Step 5: Solve for x
    x = 19,105,171,140.79/165,579.24
  6. Step 6: Final answer
    x = 115,383.86

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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.