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Finding the Fourth Proportional to 101,008.75, 151,535 and 38,679.25

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Solution

The fourth proportional to 101,008.75, 151,535 and 38,679.25 is: 58,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,008.75 : 151,535 = 38,679.25 : x
  2. Step 2: Convert to fraction form
    101,008.75/151,535 = 38,679.25/x
  3. Step 3: Cross multiply
    101,008.75x = 151,535 × 38,679.25
  4. Step 4: Simplify right side
    101,008.75x = 5,861,260,148.75
  5. Step 5: Solve for x
    x = 5,861,260,148.75/101,008.75
  6. Step 6: Final answer
    x = 58,027.25

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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.