Home / 172,546.08-258,860.58-54,217.34

Finding the Fourth Proportional to 172,546.08, 258,860.58 and 54,217.34

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Solution

The fourth proportional to 172,546.08, 258,860.58 and 54,217.34 is: 81,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,546.08 : 258,860.58 = 54,217.34 : x
  2. Step 2: Convert to fraction form
    172,546.08/258,860.58 = 54,217.34/x
  3. Step 3: Cross multiply
    172,546.08x = 258,860.58 × 54,217.34
  4. Step 4: Simplify right side
    172,546.08x = 14,034,730,784.15
  5. Step 5: Solve for x
    x = 14,034,730,784.15/172,546.08
  6. Step 6: Final answer
    x = 81,339.03

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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.