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Finding the Fourth Proportional to 169,100.37, 253,654.65 and 56,784.26

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Solution

The fourth proportional to 169,100.37, 253,654.65 and 56,784.26 is: 85,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,100.37 : 253,654.65 = 56,784.26 : x
  2. Step 2: Convert to fraction form
    169,100.37/253,654.65 = 56,784.26/x
  3. Step 3: Cross multiply
    169,100.37x = 253,654.65 × 56,784.26
  4. Step 4: Simplify right side
    169,100.37x = 14,403,590,327.54
  5. Step 5: Solve for x
    x = 14,403,590,327.54/169,100.37
  6. Step 6: Final answer
    x = 85,177.76

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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.