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Finding the Fourth Proportional to 146,855.36, 220,283.25 and 36,047.36

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Solution

The fourth proportional to 146,855.36, 220,283.25 and 36,047.36 is: 54,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,855.36 : 220,283.25 = 36,047.36 : x
  2. Step 2: Convert to fraction form
    146,855.36/220,283.25 = 36,047.36/x
  3. Step 3: Cross multiply
    146,855.36x = 220,283.25 × 36,047.36
  4. Step 4: Simplify right side
    146,855.36x = 7,940,629,614.72
  5. Step 5: Solve for x
    x = 7,940,629,614.72/146,855.36
  6. Step 6: Final answer
    x = 54,071.09

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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.