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Finding the Fourth Proportional to 169,893.61, 254,858.87 and 56,027.45

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Solution

The fourth proportional to 169,893.61, 254,858.87 and 56,027.45 is: 84,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,893.61 : 254,858.87 = 56,027.45 : x
  2. Step 2: Convert to fraction form
    169,893.61/254,858.87 = 56,027.45/x
  3. Step 3: Cross multiply
    169,893.61x = 254,858.87 × 56,027.45
  4. Step 4: Simplify right side
    169,893.61x = 14,279,092,595.98
  5. Step 5: Solve for x
    x = 14,279,092,595.98/169,893.61
  6. Step 6: Final answer
    x = 84,047.26

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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.