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Finding the Fourth Proportional to 146,132.52, 201,662.84 and 79,064.52

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Solution

The fourth proportional to 146,132.52, 201,662.84 and 79,064.52 is: 109,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,132.52 : 201,662.84 = 79,064.52 : x
  2. Step 2: Convert to fraction form
    146,132.52/201,662.84 = 79,064.52/x
  3. Step 3: Cross multiply
    146,132.52x = 201,662.84 × 79,064.52
  4. Step 4: Simplify right side
    146,132.52x = 15,944,375,646.44
  5. Step 5: Solve for x
    x = 15,944,375,646.44/146,132.52
  6. Step 6: Final answer
    x = 109,109.02

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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.