Home / 172,735.85-258,518.55-106,218.11

Finding the Fourth Proportional to 172,735.85, 258,518.55 and 106,218.11

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Solution

The fourth proportional to 172,735.85, 258,518.55 and 106,218.11 is: 158,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,735.85 : 258,518.55 = 106,218.11 : x
  2. Step 2: Convert to fraction form
    172,735.85/258,518.55 = 106,218.11/x
  3. Step 3: Cross multiply
    172,735.85x = 258,518.55 × 106,218.11
  4. Step 4: Simplify right side
    172,735.85x = 27,459,351,780.94
  5. Step 5: Solve for x
    x = 27,459,351,780.94/172,735.85
  6. Step 6: Final answer
    x = 158,967.30

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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.