Home / 144,942.10-217,413.15-102,951.70

Finding the Fourth Proportional to 144,942.10, 217,413.15 and 102,951.70

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Solution

The fourth proportional to 144,942.10, 217,413.15 and 102,951.70 is: 154,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,942.10 : 217,413.15 = 102,951.70 : x
  2. Step 2: Convert to fraction form
    144,942.10/217,413.15 = 102,951.70/x
  3. Step 3: Cross multiply
    144,942.10x = 217,413.15 × 102,951.70
  4. Step 4: Simplify right side
    144,942.10x = 22,383,053,394.86
  5. Step 5: Solve for x
    x = 22,383,053,394.86/144,942.10
  6. Step 6: Final answer
    x = 154,427.55

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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.