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Finding the Fourth Proportional to 175,167.83, 262,619.35 and 73,997.21

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Solution

The fourth proportional to 175,167.83, 262,619.35 and 73,997.21 is: 110,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,167.83 : 262,619.35 = 73,997.21 : x
  2. Step 2: Convert to fraction form
    175,167.83/262,619.35 = 73,997.21/x
  3. Step 3: Cross multiply
    175,167.83x = 262,619.35 × 73,997.21
  4. Step 4: Simplify right side
    175,167.83x = 19,433,099,663.57
  5. Step 5: Solve for x
    x = 19,433,099,663.57/175,167.83
  6. Step 6: Final answer
    x = 110,939.89

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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.