Home / 133,899.03-200,708.37-45,121.86

Finding the Fourth Proportional to 133,899.03, 200,708.37 and 45,121.86

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Solution

The fourth proportional to 133,899.03, 200,708.37 and 45,121.86 is: 67,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,899.03 : 200,708.37 = 45,121.86 : x
  2. Step 2: Convert to fraction form
    133,899.03/200,708.37 = 45,121.86/x
  3. Step 3: Cross multiply
    133,899.03x = 200,708.37 × 45,121.86
  4. Step 4: Simplify right side
    133,899.03x = 9,056,334,971.97
  5. Step 5: Solve for x
    x = 9,056,334,971.97/133,899.03
  6. Step 6: Final answer
    x = 67,635.55

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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.