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Finding the Fourth Proportional to 165,751.82, 228,737.80 and 94,131.82

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Solution

The fourth proportional to 165,751.82, 228,737.80 and 94,131.82 is: 129,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,751.82 : 228,737.80 = 94,131.82 : x
  2. Step 2: Convert to fraction form
    165,751.82/228,737.80 = 94,131.82/x
  3. Step 3: Cross multiply
    165,751.82x = 228,737.80 × 94,131.82
  4. Step 4: Simplify right side
    165,751.82x = 21,531,505,555.64
  5. Step 5: Solve for x
    x = 21,531,505,555.64/165,751.82
  6. Step 6: Final answer
    x = 129,902.08

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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.