Home / 146,007.44-201,490.57-78,939.44

Finding the Fourth Proportional to 146,007.44, 201,490.57 and 78,939.44

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Solution

The fourth proportional to 146,007.44, 201,490.57 and 78,939.44 is: 108,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.44 : 201,490.57 = 78,939.44 : x
  2. Step 2: Convert to fraction form
    146,007.44/201,490.57 = 78,939.44/x
  3. Step 3: Cross multiply
    146,007.44x = 201,490.57 × 78,939.44
  4. Step 4: Simplify right side
    146,007.44x = 15,905,552,761.08
  5. Step 5: Solve for x
    x = 15,905,552,761.08/146,007.44
  6. Step 6: Final answer
    x = 108,936.59

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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.