Home / 172,171.08-258,261.23-53,842.42

Finding the Fourth Proportional to 172,171.08, 258,261.23 and 53,842.42

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Solution

The fourth proportional to 172,171.08, 258,261.23 and 53,842.42 is: 80,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,171.08 : 258,261.23 = 53,842.42 : x
  2. Step 2: Convert to fraction form
    172,171.08/258,261.23 = 53,842.42/x
  3. Step 3: Cross multiply
    172,171.08x = 258,261.23 × 53,842.42
  4. Step 4: Simplify right side
    172,171.08x = 13,905,409,104.33
  5. Step 5: Solve for x
    x = 13,905,409,104.33/172,171.08
  6. Step 6: Final answer
    x = 80,765.07

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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.