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Finding the Fourth Proportional to 165,648.56, 228,587.88 and 94,027.28

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Solution

The fourth proportional to 165,648.56, 228,587.88 and 94,027.28 is: 129,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,648.56 : 228,587.88 = 94,027.28 : x
  2. Step 2: Convert to fraction form
    165,648.56/228,587.88 = 94,027.28/x
  3. Step 3: Cross multiply
    165,648.56x = 228,587.88 × 94,027.28
  4. Step 4: Simplify right side
    165,648.56x = 21,493,496,597.37
  5. Step 5: Solve for x
    x = 21,493,496,597.37/165,648.56
  6. Step 6: Final answer
    x = 129,753.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.