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Finding the Fourth Proportional to 165,798.39, 228,793.64 and 94,169.01

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Solution

The fourth proportional to 165,798.39, 228,793.64 and 94,169.01 is: 129,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,798.39 : 228,793.64 = 94,169.01 : x
  2. Step 2: Convert to fraction form
    165,798.39/228,793.64 = 94,169.01/x
  3. Step 3: Cross multiply
    165,798.39x = 228,793.64 × 94,169.01
  4. Step 4: Simplify right side
    165,798.39x = 21,545,270,102.25
  5. Step 5: Solve for x
    x = 21,545,270,102.25/165,798.39
  6. Step 6: Final answer
    x = 129,948.61

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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.