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Finding the Fourth Proportional to 135,614, 203,421 and 52,508

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Solution

The fourth proportional to 135,614, 203,421 and 52,508 is: 78,762

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,614 : 203,421 = 52,508 : x
  2. Step 2: Convert to fraction form
    135,614/203,421 = 52,508/x
  3. Step 3: Cross multiply
    135,614x = 203,421 × 52,508
  4. Step 4: Simplify right side
    135,614x = 10,681,229,868
  5. Step 5: Solve for x
    x = 10,681,229,868/135,614
  6. Step 6: Final answer
    x = 78,762

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.