Home / 165,568.78-248,180.28-76,749.04

Finding the Fourth Proportional to 165,568.78, 248,180.28 and 76,749.04

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Solution

The fourth proportional to 165,568.78, 248,180.28 and 76,749.04 is: 115,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,568.78 : 248,180.28 = 76,749.04 : x
  2. Step 2: Convert to fraction form
    165,568.78/248,180.28 = 76,749.04/x
  3. Step 3: Cross multiply
    165,568.78x = 248,180.28 × 76,749.04
  4. Step 4: Simplify right side
    165,568.78x = 19,047,598,236.93
  5. Step 5: Solve for x
    x = 19,047,598,236.93/165,568.78
  6. Step 6: Final answer
    x = 115,043.42

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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.