Home / 165,285.30-228,092.82-93,678.86

Finding the Fourth Proportional to 165,285.30, 228,092.82 and 93,678.86

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Solution

The fourth proportional to 165,285.30, 228,092.82 and 93,678.86 is: 129,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,285.30 : 228,092.82 = 93,678.86 : x
  2. Step 2: Convert to fraction form
    165,285.30/228,092.82 = 93,678.86/x
  3. Step 3: Cross multiply
    165,285.30x = 228,092.82 × 93,678.86
  4. Step 4: Simplify right side
    165,285.30x = 21,367,475,351.79
  5. Step 5: Solve for x
    x = 21,367,475,351.79/165,285.30
  6. Step 6: Final answer
    x = 129,276.32

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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.