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Finding the Fourth Proportional to 105,791.33, 145,992.23 and 58,045.03

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Solution

The fourth proportional to 105,791.33, 145,992.23 and 58,045.03 is: 80,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,791.33 : 145,992.23 = 58,045.03 : x
  2. Step 2: Convert to fraction form
    105,791.33/145,992.23 = 58,045.03/x
  3. Step 3: Cross multiply
    105,791.33x = 145,992.23 × 58,045.03
  4. Step 4: Simplify right side
    105,791.33x = 8,474,123,370.12
  5. Step 5: Solve for x
    x = 8,474,123,370.12/105,791.33
  6. Step 6: Final answer
    x = 80,102.25

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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.