Home / 135,363.38-203,043.63-52,199.06

Finding the Fourth Proportional to 135,363.38, 203,043.63 and 52,199.06

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Solution

The fourth proportional to 135,363.38, 203,043.63 and 52,199.06 is: 78,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,363.38 : 203,043.63 = 52,199.06 : x
  2. Step 2: Convert to fraction form
    135,363.38/203,043.63 = 52,199.06/x
  3. Step 3: Cross multiply
    135,363.38x = 203,043.63 × 52,199.06
  4. Step 4: Simplify right side
    135,363.38x = 10,598,686,624.99
  5. Step 5: Solve for x
    x = 10,598,686,624.99/135,363.38
  6. Step 6: Final answer
    x = 78,298.03

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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.