Home / 135,748.35-203,701.91-56,855.97

Finding the Fourth Proportional to 135,748.35, 203,701.91 and 56,855.97

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Solution

The fourth proportional to 135,748.35, 203,701.91 and 56,855.97 is: 85,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,748.35 : 203,701.91 = 56,855.97 : x
  2. Step 2: Convert to fraction form
    135,748.35/203,701.91 = 56,855.97/x
  3. Step 3: Cross multiply
    135,748.35x = 203,701.91 × 56,855.97
  4. Step 4: Simplify right side
    135,748.35x = 11,581,669,399.62
  5. Step 5: Solve for x
    x = 11,581,669,399.62/135,748.35
  6. Step 6: Final answer
    x = 85,317.20

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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.