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Finding the Fourth Proportional to 133,750.08, 200,379.06 and 83,820.78

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Solution

The fourth proportional to 133,750.08, 200,379.06 and 83,820.78 is: 125,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,750.08 : 200,379.06 = 83,820.78 : x
  2. Step 2: Convert to fraction form
    133,750.08/200,379.06 = 83,820.78/x
  3. Step 3: Cross multiply
    133,750.08x = 200,379.06 × 83,820.78
  4. Step 4: Simplify right side
    133,750.08x = 16,795,929,104.87
  5. Step 5: Solve for x
    x = 16,795,929,104.87/133,750.08
  6. Step 6: Final answer
    x = 125,576.96

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1.5x scale

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.