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Finding the Fourth Proportional to 99,215.67, 148,844.00 and 32,659.79

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Solution

The fourth proportional to 99,215.67, 148,844.00 and 32,659.79 is: 48,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.67 : 148,844.00 = 32,659.79 : x
  2. Step 2: Convert to fraction form
    99,215.67/148,844.00 = 32,659.79/x
  3. Step 3: Cross multiply
    99,215.67x = 148,844.00 × 32,659.79
  4. Step 4: Simplify right side
    99,215.67x = 4,861,214,236.52
  5. Step 5: Solve for x
    x = 4,861,214,236.52/99,215.67
  6. Step 6: Final answer
    x = 48,996.44

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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.