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Finding the Fourth Proportional to 118,593.55, 177,914.15 and 43,714.09

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Solution

The fourth proportional to 118,593.55, 177,914.15 and 43,714.09 is: 65,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593.55 : 177,914.15 = 43,714.09 : x
  2. Step 2: Convert to fraction form
    118,593.55/177,914.15 = 43,714.09/x
  3. Step 3: Cross multiply
    118,593.55x = 177,914.15 × 43,714.09
  4. Step 4: Simplify right side
    118,593.55x = 7,777,355,165.37
  5. Step 5: Solve for x
    x = 7,777,355,165.37/118,593.55
  6. Step 6: Final answer
    x = 65,579.92

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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.