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Finding the Fourth Proportional to 146,367, 201,986.51 and 79,299

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Solution

The fourth proportional to 146,367, 201,986.51 and 79,299 is: 109,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,367 : 201,986.51 = 79,299 : x
  2. Step 2: Convert to fraction form
    146,367/201,986.51 = 79,299/x
  3. Step 3: Cross multiply
    146,367x = 201,986.51 × 79,299
  4. Step 4: Simplify right side
    146,367x = 16,017,327,860.00
  5. Step 5: Solve for x
    x = 16,017,327,860.00/146,367
  6. Step 6: Final answer
    x = 109,432.64

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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.