Home / 172,110.11-258,004.67-58,178.66

Finding the Fourth Proportional to 172,110.11, 258,004.67 and 58,178.66

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Solution

The fourth proportional to 172,110.11, 258,004.67 and 58,178.66 is: 87,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,110.11 : 258,004.67 = 58,178.66 : x
  2. Step 2: Convert to fraction form
    172,110.11/258,004.67 = 58,178.66/x
  3. Step 3: Cross multiply
    172,110.11x = 258,004.67 × 58,178.66
  4. Step 4: Simplify right side
    172,110.11x = 15,010,364,393.43
  5. Step 5: Solve for x
    x = 15,010,364,393.43/172,110.11
  6. Step 6: Final answer
    x = 87,213.73

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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.