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Finding the Fourth Proportional to 169,676.82, 254,518.88 and 51,347.97

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Solution

The fourth proportional to 169,676.82, 254,518.88 and 51,347.97 is: 77,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,676.82 : 254,518.88 = 51,347.97 : x
  2. Step 2: Convert to fraction form
    169,676.82/254,518.88 = 51,347.97/x
  3. Step 3: Cross multiply
    169,676.82x = 254,518.88 × 51,347.97
  4. Step 4: Simplify right side
    169,676.82x = 13,069,027,557.93
  5. Step 5: Solve for x
    x = 13,069,027,557.93/169,676.82
  6. Step 6: Final answer
    x = 77,023.06

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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.