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Finding the Fourth Proportional to 95,101.52, 131,100.36 and 72,401

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Solution

The fourth proportional to 95,101.52, 131,100.36 and 72,401 is: 99,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,101.52 : 131,100.36 = 72,401 : x
  2. Step 2: Convert to fraction form
    95,101.52/131,100.36 = 72,401/x
  3. Step 3: Cross multiply
    95,101.52x = 131,100.36 × 72,401
  4. Step 4: Simplify right side
    95,101.52x = 9,491,797,164.36
  5. Step 5: Solve for x
    x = 9,491,797,164.36/95,101.52
  6. Step 6: Final answer
    x = 99,807.00

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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.