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Finding the Fourth Proportional to 168,601.93, 253,027.58 and 79,855.59

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Solution

The fourth proportional to 168,601.93, 253,027.58 and 79,855.59 is: 119,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,601.93 : 253,027.58 = 79,855.59 : x
  2. Step 2: Convert to fraction form
    168,601.93/253,027.58 = 79,855.59/x
  3. Step 3: Cross multiply
    168,601.93x = 253,027.58 × 79,855.59
  4. Step 4: Simplify right side
    168,601.93x = 20,205,666,687.17
  5. Step 5: Solve for x
    x = 20,205,666,687.17/168,601.93
  6. Step 6: Final answer
    x = 119,842.44

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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.