Home / 133,489.90-200,229.65-49,213.60

Finding the Fourth Proportional to 133,489.90, 200,229.65 and 49,213.60

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Solution

The fourth proportional to 133,489.90, 200,229.65 and 49,213.60 is: 73,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,489.90 : 200,229.65 = 49,213.60 : x
  2. Step 2: Convert to fraction form
    133,489.90/200,229.65 = 49,213.60/x
  3. Step 3: Cross multiply
    133,489.90x = 200,229.65 × 49,213.60
  4. Step 4: Simplify right side
    133,489.90x = 9,854,021,903.24
  5. Step 5: Solve for x
    x = 9,854,021,903.24/133,489.90
  6. Step 6: Final answer
    x = 73,818.48

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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.