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Finding the Fourth Proportional to 151,321.42, 208,815.44 and 83,325.11

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Solution

The fourth proportional to 151,321.42, 208,815.44 and 83,325.11 is: 114,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,321.42 : 208,815.44 = 83,325.11 : x
  2. Step 2: Convert to fraction form
    151,321.42/208,815.44 = 83,325.11/x
  3. Step 3: Cross multiply
    151,321.42x = 208,815.44 × 83,325.11
  4. Step 4: Simplify right side
    151,321.42x = 17,399,570,511.93
  5. Step 5: Solve for x
    x = 17,399,570,511.93/151,321.42
  6. Step 6: Final answer
    x = 114,984.19

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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.