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Finding the Fourth Proportional to 165,801.60, 248,702.40 and 94,942.80

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Solution

The fourth proportional to 165,801.60, 248,702.40 and 94,942.80 is: 142,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,801.60 : 248,702.40 = 94,942.80 : x
  2. Step 2: Convert to fraction form
    165,801.60/248,702.40 = 94,942.80/x
  3. Step 3: Cross multiply
    165,801.60x = 248,702.40 × 94,942.80
  4. Step 4: Simplify right side
    165,801.60x = 23,612,502,222.72
  5. Step 5: Solve for x
    x = 23,612,502,222.72/165,801.60
  6. Step 6: Final answer
    x = 142,414.20

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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.