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Finding the Fourth Proportional to 146,244.48, 201,816.48 and 79,176

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Solution

The fourth proportional to 146,244.48, 201,816.48 and 79,176 is: 109,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,244.48 : 201,816.48 = 79,176 : x
  2. Step 2: Convert to fraction form
    146,244.48/201,816.48 = 79,176/x
  3. Step 3: Cross multiply
    146,244.48x = 201,816.48 × 79,176
  4. Step 4: Simplify right side
    146,244.48x = 15,979,021,620.48
  5. Step 5: Solve for x
    x = 15,979,021,620.48/146,244.48
  6. Step 6: Final answer
    x = 109,262.39

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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.