Home / 172,008.21-258,004.04-58,148.43

Finding the Fourth Proportional to 172,008.21, 258,004.04 and 58,148.43

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Solution

The fourth proportional to 172,008.21, 258,004.04 and 58,148.43 is: 87,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,008.21 : 258,004.04 = 58,148.43 : x
  2. Step 2: Convert to fraction form
    172,008.21/258,004.04 = 58,148.43/x
  3. Step 3: Cross multiply
    172,008.21x = 258,004.04 × 58,148.43
  4. Step 4: Simplify right side
    172,008.21x = 15,002,530,052.67
  5. Step 5: Solve for x
    x = 15,002,530,052.67/172,008.21
  6. Step 6: Final answer
    x = 87,219.85

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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.