Home / 172,375.36-258,563.06-54,057.04

Finding the Fourth Proportional to 172,375.36, 258,563.06 and 54,057.04

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Solution

The fourth proportional to 172,375.36, 258,563.06 and 54,057.04 is: 81,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375.36 : 258,563.06 = 54,057.04 : x
  2. Step 2: Convert to fraction form
    172,375.36/258,563.06 = 54,057.04/x
  3. Step 3: Cross multiply
    172,375.36x = 258,563.06 × 54,057.04
  4. Step 4: Simplify right side
    172,375.36x = 13,977,153,676.94
  5. Step 5: Solve for x
    x = 13,977,153,676.94/172,375.36
  6. Step 6: Final answer
    x = 81,085.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.