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Finding the Fourth Proportional to 133,257.69, 199,917.87 and 43,300.08

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Solution

The fourth proportional to 133,257.69, 199,917.87 and 43,300.08 is: 64,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,257.69 : 199,917.87 = 43,300.08 : x
  2. Step 2: Convert to fraction form
    133,257.69/199,917.87 = 43,300.08/x
  3. Step 3: Cross multiply
    133,257.69x = 199,917.87 × 43,300.08
  4. Step 4: Simplify right side
    133,257.69x = 8,656,459,764.43
  5. Step 5: Solve for x
    x = 8,656,459,764.43/133,257.69
  6. Step 6: Final answer
    x = 64,960.30

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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.