Home / 172,371.33-258,557.00-54,052.20

Finding the Fourth Proportional to 172,371.33, 258,557.00 and 54,052.20

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Solution

The fourth proportional to 172,371.33, 258,557.00 and 54,052.20 is: 81,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.33 : 258,557.00 = 54,052.20 : x
  2. Step 2: Convert to fraction form
    172,371.33/258,557.00 = 54,052.20/x
  3. Step 3: Cross multiply
    172,371.33x = 258,557.00 × 54,052.20
  4. Step 4: Simplify right side
    172,371.33x = 13,975,574,405.14
  5. Step 5: Solve for x
    x = 13,975,574,405.14/172,371.33
  6. Step 6: Final answer
    x = 81,078.30

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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.