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Finding the Fourth Proportional to 131,348.97, 196,900.02 and 99,279

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Solution

The fourth proportional to 131,348.97, 196,900.02 and 99,279 is: 148,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,348.97 : 196,900.02 = 99,279 : x
  2. Step 2: Convert to fraction form
    131,348.97/196,900.02 = 99,279/x
  3. Step 3: Cross multiply
    131,348.97x = 196,900.02 × 99,279
  4. Step 4: Simplify right side
    131,348.97x = 19,548,037,085.58
  5. Step 5: Solve for x
    x = 19,548,037,085.58/131,348.97
  6. Step 6: Final answer
    x = 148,825.20

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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.