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Finding the Fourth Proportional to 133,903.56, 200,856.72 and 34,063.80

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Solution

The fourth proportional to 133,903.56, 200,856.72 and 34,063.80 is: 51,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,903.56 : 200,856.72 = 34,063.80 : x
  2. Step 2: Convert to fraction form
    133,903.56/200,856.72 = 34,063.80/x
  3. Step 3: Cross multiply
    133,903.56x = 200,856.72 × 34,063.80
  4. Step 4: Simplify right side
    133,903.56x = 6,841,943,138.74
  5. Step 5: Solve for x
    x = 6,841,943,138.74/133,903.56
  6. Step 6: Final answer
    x = 51,096.05

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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.