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Finding the Fourth Proportional to 101,027.81, 151,586.42 and 52,984.96

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Solution

The fourth proportional to 101,027.81, 151,586.42 and 52,984.96 is: 79,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,027.81 : 151,586.42 = 52,984.96 : x
  2. Step 2: Convert to fraction form
    101,027.81/151,586.42 = 52,984.96/x
  3. Step 3: Cross multiply
    101,027.81x = 151,586.42 × 52,984.96
  4. Step 4: Simplify right side
    101,027.81x = 8,031,799,377.39
  5. Step 5: Solve for x
    x = 8,031,799,377.39/101,027.81
  6. Step 6: Final answer
    x = 79,500.88

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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.