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Finding the Fourth Proportional to 179,696.48, 269,544.72 and 100,866.08

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Solution

The fourth proportional to 179,696.48, 269,544.72 and 100,866.08 is: 151,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,696.48 : 269,544.72 = 100,866.08 : x
  2. Step 2: Convert to fraction form
    179,696.48/269,544.72 = 100,866.08/x
  3. Step 3: Cross multiply
    179,696.48x = 269,544.72 × 100,866.08
  4. Step 4: Simplify right side
    179,696.48x = 27,187,919,291.10
  5. Step 5: Solve for x
    x = 27,187,919,291.10/179,696.48
  6. Step 6: Final answer
    x = 151,299.12

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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.