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Finding the Fourth Proportional to 173,097, 238,845.00 and 115,644.21

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Solution

The fourth proportional to 173,097, 238,845.00 and 115,644.21 is: 159,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,097 : 238,845.00 = 115,644.21 : x
  2. Step 2: Convert to fraction form
    173,097/238,845.00 = 115,644.21/x
  3. Step 3: Cross multiply
    173,097x = 238,845.00 × 115,644.21
  4. Step 4: Simplify right side
    173,097x = 27,621,040,875.45
  5. Step 5: Solve for x
    x = 27,621,040,875.45/173,097
  6. Step 6: Final answer
    x = 159,569.73

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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.