Home / 172,597.38-258,907.23-54,273.30

Finding the Fourth Proportional to 172,597.38, 258,907.23 and 54,273.30

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Solution

The fourth proportional to 172,597.38, 258,907.23 and 54,273.30 is: 81,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,597.38 : 258,907.23 = 54,273.30 : x
  2. Step 2: Convert to fraction form
    172,597.38/258,907.23 = 54,273.30/x
  3. Step 3: Cross multiply
    172,597.38x = 258,907.23 × 54,273.30
  4. Step 4: Simplify right side
    172,597.38x = 14,051,749,765.96
  5. Step 5: Solve for x
    x = 14,051,749,765.96/172,597.38
  6. Step 6: Final answer
    x = 81,413.46

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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.