Home / 172,608.18-258,580.50-105,853.62

Finding the Fourth Proportional to 172,608.18, 258,580.50 and 105,853.62

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Solution

The fourth proportional to 172,608.18, 258,580.50 and 105,853.62 is: 158,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,608.18 : 258,580.50 = 105,853.62 : x
  2. Step 2: Convert to fraction form
    172,608.18/258,580.50 = 105,853.62/x
  3. Step 3: Cross multiply
    172,608.18x = 258,580.50 × 105,853.62
  4. Step 4: Simplify right side
    172,608.18x = 27,371,681,986.41
  5. Step 5: Solve for x
    x = 27,371,681,986.41/172,608.18
  6. Step 6: Final answer
    x = 158,576.97

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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.