Home / 172,676.18-259,001.62-54,381.35

Finding the Fourth Proportional to 172,676.18, 259,001.62 and 54,381.35

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Solution

The fourth proportional to 172,676.18, 259,001.62 and 54,381.35 is: 81,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,676.18 : 259,001.62 = 54,381.35 : x
  2. Step 2: Convert to fraction form
    172,676.18/259,001.62 = 54,381.35/x
  3. Step 3: Cross multiply
    172,676.18x = 259,001.62 × 54,381.35
  4. Step 4: Simplify right side
    172,676.18x = 14,084,857,108.35
  5. Step 5: Solve for x
    x = 14,084,857,108.35/172,676.18
  6. Step 6: Final answer
    x = 81,568.04

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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.