Home / 142,976.07-214,324.62-68,076.09

Finding the Fourth Proportional to 142,976.07, 214,324.62 and 68,076.09

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Solution

The fourth proportional to 142,976.07, 214,324.62 and 68,076.09 is: 102,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,976.07 : 214,324.62 = 68,076.09 : x
  2. Step 2: Convert to fraction form
    142,976.07/214,324.62 = 68,076.09/x
  3. Step 3: Cross multiply
    142,976.07x = 214,324.62 × 68,076.09
  4. Step 4: Simplify right side
    142,976.07x = 14,590,382,120.34
  5. Step 5: Solve for x
    x = 14,590,382,120.34/142,976.07
  6. Step 6: Final answer
    x = 102,047.72

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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.