Home / 143,174.19-214,666.48-68,305.89

Finding the Fourth Proportional to 143,174.19, 214,666.48 and 68,305.89

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Solution

The fourth proportional to 143,174.19, 214,666.48 and 68,305.89 is: 102,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,174.19 : 214,666.48 = 68,305.89 : x
  2. Step 2: Convert to fraction form
    143,174.19/214,666.48 = 68,305.89/x
  3. Step 3: Cross multiply
    143,174.19x = 214,666.48 × 68,305.89
  4. Step 4: Simplify right side
    143,174.19x = 14,662,984,969.57
  5. Step 5: Solve for x
    x = 14,662,984,969.57/143,174.19
  6. Step 6: Final answer
    x = 102,413.61

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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.