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Finding the Fourth Proportional to 150,999.46, 208,379.38 and 83,020.81

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Solution

The fourth proportional to 150,999.46, 208,379.38 and 83,020.81 is: 114,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,999.46 : 208,379.38 = 83,020.81 : x
  2. Step 2: Convert to fraction form
    150,999.46/208,379.38 = 83,020.81/x
  3. Step 3: Cross multiply
    150,999.46x = 208,379.38 × 83,020.81
  4. Step 4: Simplify right side
    150,999.46x = 17,299,824,914.90
  5. Step 5: Solve for x
    x = 17,299,824,914.90/150,999.46
  6. Step 6: Final answer
    x = 114,568.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.