Home / 172,377.34-258,566-54,058.20

Finding the Fourth Proportional to 172,377.34, 258,566 and 54,058.20

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Solution

The fourth proportional to 172,377.34, 258,566 and 54,058.20 is: 81,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,377.34 : 258,566 = 54,058.20 : x
  2. Step 2: Convert to fraction form
    172,377.34/258,566 = 54,058.20/x
  3. Step 3: Cross multiply
    172,377.34x = 258,566 × 54,058.20
  4. Step 4: Simplify right side
    172,377.34x = 13,977,612,541.20
  5. Step 5: Solve for x
    x = 13,977,612,541.20/172,377.34
  6. Step 6: Final answer
    x = 81,087.30

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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.