Home / 107,481.64-161,201.44-102,147.34

Finding the Fourth Proportional to 107,481.64, 161,201.44 and 102,147.34

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Solution

The fourth proportional to 107,481.64, 161,201.44 and 102,147.34 is: 153,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,481.64 : 161,201.44 = 102,147.34 : x
  2. Step 2: Convert to fraction form
    107,481.64/161,201.44 = 102,147.34/x
  3. Step 3: Cross multiply
    107,481.64x = 161,201.44 × 102,147.34
  4. Step 4: Simplify right side
    107,481.64x = 16,466,298,300.17
  5. Step 5: Solve for x
    x = 16,466,298,300.17/107,481.64
  6. Step 6: Final answer
    x = 153,201.03

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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.