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Finding the Fourth Proportional to 165,363.63, 228,233.50 and 93,743.93

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Solution

The fourth proportional to 165,363.63, 228,233.50 and 93,743.93 is: 129,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,363.63 : 228,233.50 = 93,743.93 : x
  2. Step 2: Convert to fraction form
    165,363.63/228,233.50 = 93,743.93/x
  3. Step 3: Cross multiply
    165,363.63x = 228,233.50 × 93,743.93
  4. Step 4: Simplify right side
    165,363.63x = 21,395,505,583.88
  5. Step 5: Solve for x
    x = 21,395,505,583.88/165,363.63
  6. Step 6: Final answer
    x = 129,384.59

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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.