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Finding the Fourth Proportional to 175,160.88, 262,841.36 and 68,553.54

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Solution

The fourth proportional to 175,160.88, 262,841.36 and 68,553.54 is: 102,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,160.88 : 262,841.36 = 68,553.54 : x
  2. Step 2: Convert to fraction form
    175,160.88/262,841.36 = 68,553.54/x
  3. Step 3: Cross multiply
    175,160.88x = 262,841.36 × 68,553.54
  4. Step 4: Simplify right side
    175,160.88x = 18,018,705,343.65
  5. Step 5: Solve for x
    x = 18,018,705,343.65/175,160.88
  6. Step 6: Final answer
    x = 102,869.46

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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.